# Artifact provenance

Generated and checked through 2026-08-31 with ONNX opset 18.

| Directory | Upstream model/source revision | Export path |
|---|---|---|
| `sam_vit_b/` | checkpoint `sam_vit_b_01ec64.pth` SHA-256 `ec2df627...c912`; `facebookresearch/segment-anything` `dca509fe793f601edb92606367a655c15ac00fdf` | SAMExporter encoder with embedded preprocessing; single-mask decoder |
| `mobile_sam/` | checkpoint SHA-256 `6dbb9052...6c2f`; `ChaoningZhang/MobileSAM` `f706ad9c4eb7f219c00d9050e46328518ffb65d2` | SAMExporter TinyViT encoder with embedded preprocessing; single-mask decoder |
| `efficient_sam_ti/` | `yunyangx/EfficientSAM` `1cf49585c39567bfc49e991ab8eb31f491ad4877`; code `yformer/EfficientSAM` `d525f622e6f640acf5a0fc37c7ca1f243da5bde0` | Official upstream ONNX files, unmodified |
| `efficient_sam_s/` | `yunyangx/EfficientSAM` artifact revision `d53228e3f6dee607309453f54a22c40c2a10204c`; code `yformer/EfficientSAM` `d525f622e6f640acf5a0fc37c7ca1f243da5bde0` | Official upstream ONNX files, unmodified; real AnyLearning in-process and authenticated-server validation |
| `sam2_1_hiera_tiny/` | checkpoint `sam2.1_hiera_tiny.pt` SHA-256 `7402e0d8...be69`; `facebookresearch/sam2` `2b90b9f5ceec907a1c18123530e92e794ad901a4` | SAMExporter split image encoder and dynamic-prompt decoder |
| `sam3/` | `facebook/sam3` revision `3c879f39826c281e95690f02c7821c4de09afae7`; checkpoint SHA-256 `9999e234...c9e`; `facebookresearch/sam3` `660a5e9e1b8b4c02c0ad97229b88a09a6e4ff5b7` | SAMExporter image encoder, language encoder, and raw-head decoder with eight padded geometric prompt slots |

The shortened digests above are identifiers for readability; use the complete
artifact digests in `CHECKSUMS.sha256` for verification.