Pith Number

pith:Q7FPVTQW

pith:2022:Q7FPVTQWAJHESDYHMQMF44XQCO

not attested not anchored not stored refs pending

Motion-Focused Contrastive Learning of Video Representations

Dong Liu, Rui Li, Tao Mei, Ting Yao, Yiheng Zhang, Zhaofan Qiu

arxiv:2201.04029 v1 · 2022-01-11 · 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{Q7FPVTQWAJHESDYHMQMF44XQCO}

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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

Template Collapse and Information-Theoretic Limits in Camera rPPG Pulse Morphology Restoration

Receipt and verification

First computed	2026-07-05T03:47:36.797723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87caface16024e490f0764185e72f0139b307af574b499c31b52ce8e5c5d27b5

Aliases

arxiv: 2201.04029 · arxiv_version: 2201.04029v1 · doi: 10.48550/arxiv.2201.04029 · pith_short_12: Q7FPVTQWAJHE · pith_short_16: Q7FPVTQWAJHESDYH · pith_short_8: Q7FPVTQW

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/Q7FPVTQWAJHESDYHMQMF44XQCO \
  | 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: 87caface16024e490f0764185e72f0139b307af574b499c31b52ce8e5c5d27b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c91376711d7167d3a1850a153572ec396eea5245b37c658e584326d910e8a84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-01-11T16:15:45Z",
    "title_canon_sha256": "480f2053236ce2fd74682f81f92f1dafb2242592630a8355b8d6b46d4b56cffd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04029",
    "kind": "arxiv",
    "version": 1
  }
}