pith. sign in
Pith Number

pith:PJW4CA7T

pith:2013:PJW4CA7THT6IAOMBNYE7C5VLGW
not attested not anchored not stored refs pending

Computational Aspects of Optional P\'{o}lya Tree

Chao Du, Hui Jiang, John C. Mu, Kun Yang, Luo Lu, Wing Hung Wong

arxiv:1309.5489 v1 · 2013-09-21 · stat.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PJW4CA7THT6IAOMBNYE7C5VLGW}

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 2026-05-18T03:12:36.235952Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7a6dc103f33cfc8039816e09f176ab359d4621525165fb73037f4b5e0bcf08df

Aliases

arxiv: 1309.5489 · arxiv_version: 1309.5489v1 · doi: 10.48550/arxiv.1309.5489 · pith_short_12: PJW4CA7THT6I · pith_short_16: PJW4CA7THT6IAOMB · pith_short_8: PJW4CA7T
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PJW4CA7THT6IAOMBNYE7C5VLGW \
  | 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: 7a6dc103f33cfc8039816e09f176ab359d4621525165fb73037f4b5e0bcf08df
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b5244fbdddd6f8788ea05a278dfadbc9ba34b7d42c0d7cb4ec807d0a4d3ef499",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2013-09-21T15:18:34Z",
    "title_canon_sha256": "839d74fcb2083d94482455fc565ed58fbf75550cafde3884ec0f3e55906249b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.5489",
    "kind": "arxiv",
    "version": 1
  }
}