Pith Number

pith:XPYQ7MPR

pith:2023:XPYQ7MPRBXHSJOXLQ3JOOC2PTM

not attested not anchored not stored refs pending

Learning to Summarize Videos by Contrasting Clips

Arnold Smeulders, Artem Moskalev, Cees Kaandorp, Ivan Sosnovik

arxiv:2301.05213 v3 · 2023-01-12 · 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{XPYQ7MPRBXHSJOXLQ3JOOC2PTM}

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	2026-07-05T06:02:31.916255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbf10fb1f10dcf24baeb86d2e70b4f9b2dc0a1b458267db7711d1aaa9e55fd91

Aliases

arxiv: 2301.05213 · arxiv_version: 2301.05213v3 · doi: 10.48550/arxiv.2301.05213 · pith_short_12: XPYQ7MPRBXHS · pith_short_16: XPYQ7MPRBXHSJOXL · pith_short_8: XPYQ7MPR

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/XPYQ7MPRBXHSJOXLQ3JOOC2PTM \
  | 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: bbf10fb1f10dcf24baeb86d2e70b4f9b2dc0a1b458267db7711d1aaa9e55fd91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11a5292985995869162d26cadcac42a689ffcdd2fd8f4a474a0ff51d865c8236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-01-12T18:55:30Z",
    "title_canon_sha256": "f1c83314f6a7e744538557ce40415ffcb7e762ba1ee03f0ff036d07d06ddcd5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2301.05213",
    "kind": "arxiv",
    "version": 3
  }
}