Pith Number

pith:HF3Y5QD6

pith:2026:HF3Y5QD6I54RC55GIXNHBPLEPO

not attested not anchored not stored refs pending

Towards Sparse Video Understanding and Reasoning

Chenwei Xu, Fan Du, Han Liu, Lie Lu, Manling Li, Pranav Maneriker, Shang Wu, Weijian Li, Zhen Ye, Zhuofan Xia, Zihan Wang

arxiv:2602.13602 v2 · 2026-02-14 · cs.CV · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HF3Y5QD6I54RC55GIXNHBPLEPO}

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	2026-06-02T01:03:43.289728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39778ec07e47791177a645da70bd647b844cf423373c5c9b34f383a80f901d0b

Aliases

arxiv: 2602.13602 · arxiv_version: 2602.13602v2 · doi: 10.48550/arxiv.2602.13602 · pith_short_12: HF3Y5QD6I54R · pith_short_16: HF3Y5QD6I54RC55G · pith_short_8: HF3Y5QD6

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/HF3Y5QD6I54RC55GIXNHBPLEPO \
  | 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: 39778ec07e47791177a645da70bd647b844cf423373c5c9b34f383a80f901d0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5556914235743b60206ca8f1e69b10426ff1525d34bc94717658e497cfb38a1c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2026-02-14T04:52:11Z",
    "title_canon_sha256": "ce804cb1ed29a842426a7e603abf62c0f997b0fa718257e548681b6d145c0838"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.13602",
    "kind": "arxiv",
    "version": 2
  }
}