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alt.freeweights.vision / sam2_hiera_tiny.fb_r896_2pt1
From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject:

sam2_hiera_tiny.fb_r896_2pt1

Date: 2026-11-15Commit: 566447dSigned: 2DC28CC7B26A283B ✓

Image feature extraction model with 27M parameters. Safetensors weights, 215 MB in all. Published by timm under Apache-2.0.

27M params215MBsam2_hiera_tiny.fb_r896_2pt1safetensorspermissive
FactsParams27MSize215 MBFormatssafetensorsTaskimage feature extractionLicenseApache-2.0From sourcepermissive
$ fw get timm/sam2_hiera_tiny.fb_r896_2pt1
# manifest sha256 acd0a428f0b6… · 215 MB · 5 files
$ fw verify ./sam2_hiera_tiny.fb_r896_2pt1 timm/sam2_hiera_tiny.fb_r896_2pt1
From sourceHosted (signed)timm/sam2_hiera_tiny.fb_r896_2pt1Last check: 2026-11-15 03:37 UTC
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Works with

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Runs with

Ranked by fit to this model (safetensors), then by GitHub stars.

TransformersLocalAItinygradTriton Inference ServerBentoMLCTranslate2ExLlamaV2LitServe
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
215 MB
Weights
107 MB (safetensors)
Parameters
27M
Formats
safetensors
Task
image feature extraction
License
Apache-2.0 (permissive)
Files
5, each with a sha256
Publisher
timm
Added
2026-11-15
Section
alt.freeweights.vision
Lineage

Original release from the publisher.

Where these bytes come from
Publisher at the pinned commit→You

Sources are tried in order. A file counts only when its size and sha256 match the manifest. Sources are checked when you ask for them, not on a timer.

Sources
BadgeHostLast checkResult
From sourcehuggingface.co2026-11-15 03:37 UTCpassed

Model card

From the publisher at commit 566447d. Shown as plain text with links; images open at the publisher.

Model card for sam2_hiera_tiny.fb_r896_2pt1#

timm SAM2 (HieraDet image encoder only) weights from https://huggingface.co/facebook/sam2.1-hiera-tiny

Files

5 files · 215 MBWeights 107 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md254 B47c3e71a818a9d755ff1603a773fc02dc6925f6c1760364f3dbb045a3662554b
config.json641 Bc1215b1e96b75691b7895d273afb8ac1a8c8a86da069b27605d799c697097997
model.safetensors107 MB8b7a2947b0f424be9d2b48a9694027fd6838c2592818f072212714ab98c74740
pytorch_model.bin107 MB6b64687738a2f3cad2e123ad1a56a3221c218de88da157d7efd806d61694b91f
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
566447d15b pinned now2026-11-15 03:37 UTC5 files · 215 MB

Use it

$ fw get timm/sam2_hiera_tiny.fb_r896_2pt1
# manifest sha256 acd0a428f0b6… · 215 MB · 5 files
$ fw verify ./sam2_hiera_tiny.fb_r896_2pt1 timm/sam2_hiera_tiny.fb_r896_2pt1
fw.pyChecks the signature and every sha256, tries each source in order, resumes.
$ python3 fw.py get https://freeweights.allternit.com/manifests/timm/sam2_hiera_tiny.fb_r896_2pt1.json --dir ./sam2_hiera_tiny.fb_r896_2pt1 $ python3 fw.py verify ./sam2_hiera_tiny.fb_r896_2pt1 ./timm__sam2_hiera_tiny.fb_r896_2pt1.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/sam2_hiera_tiny.fb_r896_2pt1 --revision 566447d15b389e4b340709a127fae57850d82626 --local-dir ./sam2_hiera_tiny.fb_r896_2pt1
Run at home

License

Name
Apache License 2.0
Id
Apache-2.0
Class
Permissive
Redistribution
yes
Listing
Hosted (signed)
Decided
License as declared by the publisher. No person read it. 2026-11-15
Text in
README.md
Text sha256
47c3e71a818a9d755ff1603a773fc02dc6925f6c1760364f3dbb045a3662554b
Terms gate
No extra terms beyond the license.

Read the license text

Licenses are checked against the license table. A custom license passes only after a person reads it.

Provenance

From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject: sam2_hiera_tiny.fb_r896_2pt1Date: 2026-11-15Commit: 566447dSigned: 2DC28CC7B26A283B ✓
Upstream
timm/sam2_hiera_tiny.fb_r896_2pt1
Pinned commit
566447d15b389e4b340709a127fae57850d82626
Manifest
sam2_hiera_tiny.fb_r896_2pt1.json · .minisig
Manifest sha256
acd0a428f0b6f9d315efc8245cfb51a30d8e7e5faf69cf3fe9ec96e70c2481ab
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 03:37 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_tiny.fb_r896_2pt1.json $ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_tiny.fb_r896_2pt1.json.minisig $ minisign -Vm sam2_hiera_tiny.fb_r896_2pt1.json -P RWQ7KGqyx4zCLXtUFOqvfv8L3g+8fpKJ1FsuxPyOYMF+4KufbUxKq1Oq $ shasum -a 256 <file> # compare with the Files tab

A manifest whose signature fails must be rejected. A file whose size or sha256 does not match must be discarded. Verify a download

Model tree

No related models in this catalog.Nothing here lists this model as its parent, and it names no parent.
Get it
Download
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/sam2_hiera_tiny.fb_r896_2pt1
Open in Freeweights Studio

Pull, verify and run it in the Allternit app on Desktop, web or phone.

Signed manifest
minisign, key 2DC28CC7B26A283B. sam2_hiera_tiny.fb_r896_2pt1.json. Provenance. Takedown history: none.
Source
huggingface.co/timm/sam2_hiera_tiny.fb_r896_2pt1

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