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alt.freeweights.vision / sam2_hiera_base_plus.fb_r896
From: timm <huggingface.co/timm>Newsgroups: alt.freeweights.visionSubject:

sam2_hiera_base_plus.fb_r896

Date: 2026-11-15Commit: eb3e964Signed: 2DC28CC7B26A283B ✓

Image feature extraction model with 69M parameters. Safetensors weights, 550 MB in all. Published by timm under Apache-2.0.

69M params550MBsam2_hiera_base_plus.fb_r896safetensorspermissive
FactsParams69MSize550 MBFormatssafetensorsTaskimage feature extractionLicenseApache-2.0From sourcepermissive
$ fw get timm/sam2_hiera_base_plus.fb_r896
# manifest sha256 324fa310fdf0… · 550 MB · 5 files
$ fw verify ./sam2_hiera_base_plus.fb_r896 timm/sam2_hiera_base_plus.fb_r896
From sourceHosted (signed)timm/sam2_hiera_base_plus.fb_r896Last check: 2026-11-15 02:38 UTC
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Works with

Run8Fine-tune7Convert8Scan2

Runs with

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

TransformersLocalAItinygradTriton Inference ServerBentoMLCTranslate2ExLlamaV2LitServe
OverviewModel cardFilesUse itLicenseProvenanceModel tree

Overview

Size
550 MB
Weights
275 MB (safetensors)
Parameters
69M
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 02:38 UTCpassed

Model card

From the publisher at commit eb3e964. Shown as plain text with links; images open at the publisher.

Model card for sam2_hiera_base_plus.fb_r896#

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

Files

5 files · 550 MBWeights 275 MB (safetensors). Sizes and sha256 from the signed manifest.
Hide all 5 files with their sha256
FileSizesha256
.gitattributes1.52 KB11ad7efa24975ee4b0c3c3a38ed18737f0658a5f75a0a96787b576a78a023361
README.md257 Bfef86dde3185e249fe968d8bb2dcb6c94323db7cf6c03040a6c6380b1092e323
config.json641 Be36fce536b9e051500a34efe9e1e823dd3d73456cf7cc4d9544ac1c0fc6dea83
model.safetensors275 MBab079628e50a13a29069daa0279e1340c8bc799d190b9a4d6a33065b63bc7acc
pytorch_model.bin275 MBe4d04d9603db848b82c9ddb4529df4f125b8c3cc0cf0a396622510f3db6966c2
VersionsEach time the pinned upstream commit or file list changed in this repo. Newest first.
Upstream commitDateContents
eb3e96469a pinned now2026-11-15 02:38 UTC5 files · 550 MB

Use it

$ fw get timm/sam2_hiera_base_plus.fb_r896
# manifest sha256 324fa310fdf0… · 550 MB · 5 files
$ fw verify ./sam2_hiera_base_plus.fb_r896 timm/sam2_hiera_base_plus.fb_r896
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_base_plus.fb_r896.json --dir ./sam2_hiera_base_plus.fb_r896 $ python3 fw.py verify ./sam2_hiera_base_plus.fb_r896 ./timm__sam2_hiera_base_plus.fb_r896.json
hfThe Hugging Face CLI with one setting. Same repo id.
$ HF_ENDPOINT=https://freeweights.allternit.com hf download timm/sam2_hiera_base_plus.fb_r896 --revision eb3e96469ab6752defcc5a8dcdb01c01e50969db --local-dir ./sam2_hiera_base_plus.fb_r896
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
fef86dde3185e249fe968d8bb2dcb6c94323db7cf6c03040a6c6380b1092e323
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_base_plus.fb_r896Date: 2026-11-15Commit: eb3e964Signed: 2DC28CC7B26A283B ✓
Upstream
timm/sam2_hiera_base_plus.fb_r896
Pinned commit
eb3e96469ab6752defcc5a8dcdb01c01e50969db
Manifest
sam2_hiera_base_plus.fb_r896.json · .minisig
Manifest sha256
324fa310fdf0500813fd947f732f7c2e662c48ddc28158e5f6818cf3f93dd3f8
Signature
minisign, Ed25519, key 2DC28CC7B26A283B
Created
2026-11-15 02:38 UTC
Generator
freeweights-manifest/0.1.0
Takedowns
None.

How to verify

$ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_base_plus.fb_r896.json $ curl -O https://freeweights.allternit.com/manifests/timm/sam2_hiera_base_plus.fb_r896.json.minisig $ minisign -Vm sam2_hiera_base_plus.fb_r896.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_base_plus.fb_r896
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_base_plus.fb_r896.json. Provenance. Takedown history: none.
Source
huggingface.co/timm/sam2_hiera_base_plus.fb_r896

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