Pith Number

pith:YL4W3TXW

pith:2025:YL4W3TXWUQSTBQ5KMLI7DO5UAB

not attested not anchored not stored refs pending

Generative Video Matting

Chunhua Shen, Guangkai Xu, Hao Chen, Hui Xue, Kangyang Xie, Li Ke, Longtao Huang, Mingyu Liu, Yongtao Ge

arxiv:2508.07905 v1 · 2025-08-11 · 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{YL4W3TXWUQSTBQ5KMLI7DO5UAB}

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	2026-07-05T11:51:54.320088Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2f96dcef6a42530c3aa62d1f1bbb40055c8b7344c1722db240349e58ae8e1a3

Aliases

arxiv: 2508.07905 · arxiv_version: 2508.07905v1 · doi: 10.48550/arxiv.2508.07905 · pith_short_12: YL4W3TXWUQST · pith_short_16: YL4W3TXWUQSTBQ5K · pith_short_8: YL4W3TXW

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/YL4W3TXWUQSTBQ5KMLI7DO5UAB \
  | 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: c2f96dcef6a42530c3aa62d1f1bbb40055c8b7344c1722db240349e58ae8e1a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4dfab789fb4372937bd4df0db2e4707eea3bf9a20488d1126de3f05f36ae7246",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2025-08-11T12:18:55Z",
    "title_canon_sha256": "698da685d98c7ee92a1a4bf98a63e97cdadc11d723793f22b1567e3249a60f24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.07905",
    "kind": "arxiv",
    "version": 1
  }
}