Pith Number

pith:AIPZR6UQ

pith:2019:AIPZR6UQOZN3RBVXCHP674IYWS

not attested not anchored not stored refs pending

Unsupervised Discovery of Parts, Structure, and Dynamics

Chen Sun, Jiajun Wu, Joshua B. Tenenbaum, Kevin Murphy, William T. Freeman, Zhenjia Xu, Zhijian Liu

arxiv:1903.05136 v1 · 2019-03-12 · cs.CV · cs.AI · 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{AIPZR6UQOZN3RBVXCHP674IYWS}

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	2026-05-17T23:51:25.365247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

021f98fa90765bb886b711dfeff118b486bcc7815f2bd1eb83d5e790b6fd1218

Aliases

arxiv: 1903.05136 · arxiv_version: 1903.05136v1 · doi: 10.48550/arxiv.1903.05136 · pith_short_12: AIPZR6UQOZN3 · pith_short_16: AIPZR6UQOZN3RBVX · pith_short_8: AIPZR6UQ

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/AIPZR6UQOZN3RBVXCHP674IYWS \
  | 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: 021f98fa90765bb886b711dfeff118b486bcc7815f2bd1eb83d5e790b6fd1218

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "241b0e90a79cabfef4d06e72f36476600caa19a92536f1b6a47dcf60fc26b802",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2019-03-12T18:39:10Z",
    "title_canon_sha256": "b088430aeec520215acc3b31540d2e5578609139cf084ef4095c9f080c28dbfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.05136",
    "kind": "arxiv",
    "version": 1
  }
}