Pith Number

pith:SEM7JRH2

pith:2003:SEM7JRH2KJA2VBY62OFCWPXIMS

not attested not anchored not stored refs pending

Random probability measures via Polya sequences: revisiting the Blackwell-MacQueen urn scheme

Hemant Ishwaran, Mahmoud Zarepour

arxiv:math/0309041 v1 · 2003-09-02 · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEM7JRH2KJA2VBY62OFCWPXIMS}

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	2026-07-04T14:37:41.410062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9119f4c4fa5241aa871ed38a2b3ee864bd40132d10799be9d20bd1ef23768c18

Aliases

arxiv: math/0309041 · arxiv_version: math/0309041v1 · doi: 10.48550/arxiv.math/0309041 · pith_short_12: SEM7JRH2KJA2 · pith_short_16: SEM7JRH2KJA2VBY6 · pith_short_8: SEM7JRH2

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/SEM7JRH2KJA2VBY62OFCWPXIMS \
  | 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: 9119f4c4fa5241aa871ed38a2b3ee864bd40132d10799be9d20bd1ef23768c18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b67362f6b2c9a56c133ef2712ece380e99a55db438721dc274abd1ffd4bac99",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.PR",
    "submitted_at": "2003-09-02T14:56:40Z",
    "title_canon_sha256": "7a45c7397bff100ca2ffdd2e2ff470c4967e0557d85f0c3067b85d54a9345e4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0309041",
    "kind": "arxiv",
    "version": 1
  }
}