Pith Number

pith:ALNZUQLZ

pith:2022:ALNZUQLZZL25UWZZIXKRRFRQYT

not attested not anchored not stored refs pending

Understanding 3D Object Articulation in Internet Videos

Chris Rockwell, David F. Fouhey, Linyi Jin, Shengyi Qian, Siyi Chen

arxiv:2203.16531 v1 · 2022-03-30 · 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{ALNZUQLZZL25UWZZIXKRRFRQYT}

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	2026-07-05T04:10:11.405531Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02db9a4179caf5da5b3945d5189630c4eeaabd2980841b21665ed7b65de4fe77

Aliases

arxiv: 2203.16531 · arxiv_version: 2203.16531v1 · doi: 10.48550/arxiv.2203.16531 · pith_short_12: ALNZUQLZZL25 · pith_short_16: ALNZUQLZZL25UWZZ · pith_short_8: ALNZUQLZ

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/ALNZUQLZZL25UWZZIXKRRFRQYT \
  | 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: 02db9a4179caf5da5b3945d5189630c4eeaabd2980841b21665ed7b65de4fe77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "512bfe185b4ddf8f20577f15df08d016167eb19b15bca5672c47fa8a14dcef84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2022-03-30T17:59:46Z",
    "title_canon_sha256": "d12f6e8aede99cd7910e0bac647c5786ffa727f5800836e7304a11061a76735f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.16531",
    "kind": "arxiv",
    "version": 1
  }
}