Pith Number

pith:5LUWDROH

pith:2023:5LUWDROH6D2PGR2NIMMKZKLMDE

not attested not anchored not stored refs pending

Learning and Verification of Task Structure in Instructional Videos

Licheng Yu, Medhini Narasimhan, Ning Zhang, Sean Bell, Trevor Darrell

arxiv:2303.13519 v1 · 2023-03-23 · cs.CV · cs.AI · cs.CL · 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{5LUWDROH6D2PGR2NIMMKZKLMDE}

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.

Cited by

1 paper in Pith

ProcObject-10K: Benchmarking Object-Centric Procedural Understanding in Instructional Videos

Receipt and verification

First computed	2026-07-05T05:54:03.278361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae961c5c7f0f4f3474d4318aca96c1939ec457182eda14515a5b720676ecf8d

Aliases

arxiv: 2303.13519 · arxiv_version: 2303.13519v1 · doi: 10.48550/arxiv.2303.13519 · pith_short_12: 5LUWDROH6D2P · pith_short_16: 5LUWDROH6D2PGR2N · pith_short_8: 5LUWDROH

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/5LUWDROH6D2PGR2NIMMKZKLMDE \
  | 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: eae961c5c7f0f4f3474d4318aca96c1939ec457182eda14515a5b720676ecf8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed1d0e6fc0cf636aa6f397bb696b01142165b328ef5bcf5a7bf57f390af8f545",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2023-03-23T17:59:54Z",
    "title_canon_sha256": "d430db88c9b137d9226a4a2da36c5fe3d173edb3099f910e4063cb4916ec1208"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.13519",
    "kind": "arxiv",
    "version": 1
  }
}