Pith Number

pith:F7TPSJ5V

pith:2022:F7TPSJ5VY3WTMMBMIFUGFISWIJ

not attested not anchored not stored refs pending

FactorMatte: Redefining Video Matting for Re-Composition Tasks

Abe Davis, Noah Snavely, Wenqi Xian, Zeqi Gu

arxiv:2211.02145 v1 · 2022-11-03 · 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{F7TPSJ5VY3WTMMBMIFUGFISWIJ}

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	2026-07-05T05:13:12.095297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe6f927b5c6ed36302c416862a2564254f991aee47257b10ce18fe08d164e74

Aliases

arxiv: 2211.02145 · arxiv_version: 2211.02145v1 · doi: 10.48550/arxiv.2211.02145 · pith_short_12: F7TPSJ5VY3WT · pith_short_16: F7TPSJ5VY3WTMMBM · pith_short_8: F7TPSJ5V

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/F7TPSJ5VY3WTMMBMIFUGFISWIJ \
  | 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: 2fe6f927b5c6ed36302c416862a2564254f991aee47257b10ce18fe08d164e74

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59a316574a765528aac71f54a16bb091e6c8115370816b35566f4a40905f50e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-11-03T21:05:01Z",
    "title_canon_sha256": "bf561018c3f735285f5133a577a65f16b4e4981551b73df6c4776f0c90fb568b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.02145",
    "kind": "arxiv",
    "version": 1
  }
}