Pith Number

pith:VEK5F3QC

pith:2023:VEK5F3QCA2NHFQVBLTYYKHFQHX

not attested not anchored not stored refs pending

Contrastive Video Question Answering via Video Graph Transformer

Angela Yao, Junbin Xiao, Pan Zhou, Richang Hong, Shuicheng Yan, Tat-Seng Chua, Yicong Li

arxiv:2302.13668 v2 · 2023-02-27 · cs.CV · cs.MM

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VEK5F3QCA2NHFQVBLTYYKHFQHX}

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	2026-07-05T06:29:20.036337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a915d2ee02069a72c2a15cf1851cb03de983a22dc0a64deffbbf097229e1e7ab

Aliases

arxiv: 2302.13668 · arxiv_version: 2302.13668v2 · doi: 10.48550/arxiv.2302.13668 · pith_short_12: VEK5F3QCA2NH · pith_short_16: VEK5F3QCA2NHFQVB · pith_short_8: VEK5F3QC

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/VEK5F3QCA2NHFQVBLTYYKHFQHX \
  | 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: a915d2ee02069a72c2a15cf1851cb03de983a22dc0a64deffbbf097229e1e7ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e6d6a3745616ea2ac5a22c62d549b3a223afd61ab17b48db883a3745e292d47",
    "cross_cats_sorted": [
      "cs.MM"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-02-27T11:09:13Z",
    "title_canon_sha256": "b776a2841154c8a05708840ef82e7ba67ab58afc7336c8666468fa19bbbbba41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.13668",
    "kind": "arxiv",
    "version": 2
  }
}