Pith Number

pith:7VMHNLFQ

pith:2021:7VMHNLFQUBKHZZWFM4KXMSLZVU

not attested not anchored not stored refs pending

Self-Supervised Video Representation Learning by Video Incoherence Detection

Haozhi Cao, Jianfei Yang, Jianxiong Yin, Kezhi Mao, Lihua Xie, Simon See, Yuecong Xu

arxiv:2109.12493 v1 · 2021-09-26 · 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{7VMHNLFQUBKHZZWFM4KXMSLZVU}

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	2026-07-05T03:17:21.698568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd5876acb0a0547ce6c56715764979ad215d57da28e2a7a1f0ebdc7ec9a8f8bc

Aliases

arxiv: 2109.12493 · arxiv_version: 2109.12493v1 · doi: 10.48550/arxiv.2109.12493 · pith_short_12: 7VMHNLFQUBKH · pith_short_16: 7VMHNLFQUBKHZZWF · pith_short_8: 7VMHNLFQ

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/7VMHNLFQUBKHZZWFM4KXMSLZVU \
  | 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: fd5876acb0a0547ce6c56715764979ad215d57da28e2a7a1f0ebdc7ec9a8f8bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d0bbd196f8655e644b47e6e3a8f307f8b792898869101c5f03fdaee43425857",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2021-09-26T04:58:13Z",
    "title_canon_sha256": "b47d9f3f874ebe9c0f2f7746c1cd4e744d0f3a66736614e32cf7f31fe3006b8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.12493",
    "kind": "arxiv",
    "version": 1
  }
}