Pith Number

pith:UF7ZX74V

pith:2021:UF7ZX74VXAUR4OSJY44YFHJTDN

not attested not anchored not stored refs pending

Cascade Image Matting with Deformable Graph Refinement

Huijuan Huang, Li Chen, Wen Zheng, Xuhui Li, Zijian Yu

arxiv:2105.02646 v2 · 2021-05-06 · cs.CV

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UF7ZX74VXAUR4OSJY44YFHJTDN}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T02:38:35.004232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a17f9bff95b8291e3a49c739829d331b59bde3ce9c2849cd844981d239c54899

Aliases

arxiv: 2105.02646 · arxiv_version: 2105.02646v2 · doi: 10.48550/arxiv.2105.02646 · pith_short_12: UF7ZX74VXAUR · pith_short_16: UF7ZX74VXAUR4OSJ · pith_short_8: UF7ZX74V

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UF7ZX74VXAUR4OSJY44YFHJTDN \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a17f9bff95b8291e3a49c739829d331b59bde3ce9c2849cd844981d239c54899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82076d804ecf0e6e210940c4ea13fb40b6caf47876602ad59001df427d0c5d65",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-05-06T13:26:51Z",
    "title_canon_sha256": "1c28e6f1bc671a9374c2d774505598768be120a02120ba17c169ef8d63aae35f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.02646",
    "kind": "arxiv",
    "version": 2
  }
}