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alt.freeweights.vision / sam2_hiera_small.fb_r896_2pt1
From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject:

sam2_hiera_small.fb_r896_2pt1

Date: 2026-11-15Commit: 5029243Signed: 2DC28CC7B26A283B ✓

Image feature extraction model with 34M parameters. Safetensors weights, 272 MB in all. Published by timm under Apache-2.0.

34M params272MBsam2_hiera_small.fb_r896_2pt1safetensorspermissive
FactsParams34MSize272 MBFormatssafetensorsTaskimage feature extractionLicenseApache-2.0From sourcepermissive
$ fw get timm/sam2_hiera_small.fb_r896_2pt1
# manifest sha256 6210f64ab5c3… · 272 MB · 5 files
$ fw verify ./sam2_hiera_small.fb_r896_2pt1 timm/sam2_hiera_small.fb_r896_2pt1
From sourceHosted (signed)timm/sam2_hiera_small.fb_r896_2pt1Last check: 2026-11-15 03:48 UTC
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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
272 MB
Weights
136 MB (safetensors)
Parameters
34M
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 03:48 UTCpassed

Model card

From the publisher at commit 5029243. Shown as plain text with links; images open at the publisher.

Model card for sam2_hiera_small.fb_r896_2pt1#

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

Files

5 files · 272 MBWeights 136 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md256 B0e5752d280ba693cd2b24c80b0aef9733b7cf472f4f146d46a37b14172d3f3b7
config.json642 B71dbf3e57907263831ec0a36caae8874c9ca44ec200810974f7251f2b6c49496
model.safetensors136 MBdb888d177c36e3ff028a29e5504c72bc437b1486dbde3aa722a8a3d26d9631cc
pytorch_model.bin136 MB05d80cd38b0e993bd864ad65858b3d537eaa3858a84b9819362bb8ad857b0d17
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
502924323b pinned now2026-11-15 03:48 UTC5 files · 272 MB

Use it

$ fw get timm/sam2_hiera_small.fb_r896_2pt1
# manifest sha256 6210f64ab5c3… · 272 MB · 5 files
$ fw verify ./sam2_hiera_small.fb_r896_2pt1 timm/sam2_hiera_small.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_small.fb_r896_2pt1.json --dir ./sam2_hiera_small.fb_r896_2pt1 $ python3 fw.py verify ./sam2_hiera_small.fb_r896_2pt1 ./timm__sam2_hiera_small.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_small.fb_r896_2pt1 --revision 502924323bb0babeaf5114eb4f95e246af90159c --local-dir ./sam2_hiera_small.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
0e5752d280ba693cd2b24c80b0aef9733b7cf472f4f146d46a37b14172d3f3b7
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_small.fb_r896_2pt1Date: 2026-11-15Commit: 5029243Signed: 2DC28CC7B26A283B ✓
Upstream
timm/sam2_hiera_small.fb_r896_2pt1
Pinned commit
502924323bb0babeaf5114eb4f95e246af90159c
Manifest
sam2_hiera_small.fb_r896_2pt1.json · .minisig
Manifest sha256
6210f64ab5c30faad5ee22551356de40cb6c858472cfb780101a626095c1c035
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 03:48 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_small.fb_r896_2pt1.json $ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_small.fb_r896_2pt1.json.minisig $ minisign -Vm sam2_hiera_small.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_small.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_small.fb_r896_2pt1.json. Provenance. Takedown history: none.
Source
huggingface.co/timm/sam2_hiera_small.fb_r896_2pt1

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