Pith Number

pith:W7LU3CGL

pith:2020:W7LU3CGL23PJYWCBMEKIZUKY32

not attested not anchored not stored refs pending

Real-Time High-Resolution Background Matting

Andrey Ryabtsev, Brian Curless, Ira Kemelmacher-Shlizerman, Shanchuan Lin, Soumyadip Sengupta, Steve Seitz

arxiv:2012.07810 v1 · 2020-12-14 · 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{W7LU3CGL23PJYWCBMEKIZUKY32}

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

CineMatte: Background Matting for Virtual Production and Beyond

Receipt and verification

First computed	2026-07-05T01:59:24.360383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7d74d88cbd6de9c584161148cd158de8531949e4a9cc87b524dfe07f5458d5d

Aliases

arxiv: 2012.07810 · arxiv_version: 2012.07810v1 · doi: 10.48550/arxiv.2012.07810 · pith_short_12: W7LU3CGL23PJ · pith_short_16: W7LU3CGL23PJYWCB · pith_short_8: W7LU3CGL

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/W7LU3CGL23PJYWCBMEKIZUKY32 \
  | 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: b7d74d88cbd6de9c584161148cd158de8531949e4a9cc87b524dfe07f5458d5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d445527a7208793c0b4e0cb15a596916021e9b9015523941a086097ce053f12",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2020-12-14T18:43:32Z",
    "title_canon_sha256": "13ab3308e70185ed4c32d2476fbe12952ba9db41e8e94962eeb1a47a4faf6189"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.07810",
    "kind": "arxiv",
    "version": 1
  }
}