Pith Number

pith:7E4LDMR7

pith:2025:7E4LDMR7HAQSIXZUGVFTZGJ7ZN

not attested not anchored not stored refs pending

Object-Aware Video Matting with Cross-Frame Guidance

Changxin Gao, Dongyue Wu, Huayu Zhang, Nong Sang, Yuanjie Shao

arxiv:2503.01262 v1 · 2025-03-03 · 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{7E4LDMR7HAQSIXZUGVFTZGJ7ZN}

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.

Cited by

1 paper in Pith

SAM2Matting: Generalized Image and Video Matting

Receipt and verification

First computed	2026-07-05T10:23:03.182835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f938b1b23f3821245f34354b3c993fcb464b93ab4fc6abe64fb7228e9234af55

Aliases

arxiv: 2503.01262 · arxiv_version: 2503.01262v1 · doi: 10.48550/arxiv.2503.01262 · pith_short_12: 7E4LDMR7HAQS · pith_short_16: 7E4LDMR7HAQSIXZU · pith_short_8: 7E4LDMR7

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/7E4LDMR7HAQSIXZUGVFTZGJ7ZN \
  | 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: f938b1b23f3821245f34354b3c993fcb464b93ab4fc6abe64fb7228e9234af55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9ba63c1f3ac80fee8c1ffa348489d2b08ab329eeb80f41484419aa69bf9b740",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-03-03T07:40:32Z",
    "title_canon_sha256": "a3b0d1727c3a2955527ab5a891b023e3cde14d34cb41bbd190728515238c9918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.01262",
    "kind": "arxiv",
    "version": 1
  }
}