Pith Number

pith:YGRPEOF6

pith:2021:YGRPEOF6U54T367KOXZRUSFF2A

not attested not anchored not stored refs pending

Robust High-Resolution Video Matting with Temporal Guidance

Imran Saleemi, Linjie Yang, Shanchuan Lin, Soumyadip Sengupta

arxiv:2108.11515 v1 · 2021-08-25 · 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{YGRPEOF6U54T367KOXZRUSFF2A}

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	2026-07-05T03:08:58.090216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1a2f238bea7793dfbea75f31a48a5d02c12dc7b368d3f1e52642f86b5f24e51

Aliases

arxiv: 2108.11515 · arxiv_version: 2108.11515v1 · doi: 10.48550/arxiv.2108.11515 · pith_short_12: YGRPEOF6U54T · pith_short_16: YGRPEOF6U54T367K · pith_short_8: YGRPEOF6

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/YGRPEOF6U54T367KOXZRUSFF2A \
  | 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: c1a2f238bea7793dfbea75f31a48a5d02c12dc7b368d3f1e52642f86b5f24e51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "761f0ff30921506ee014c7b9d72d925e520cebc547dfde5fb38796c0d050cedd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-08-25T23:48:15Z",
    "title_canon_sha256": "e396262f256e7479ed336c992acec1c4cf5e7e12468eb77b0363645f93c85659"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.11515",
    "kind": "arxiv",
    "version": 1
  }
}