Pith Number

pith:HBGQVEAG

pith:2013:HBGQVEAGF6QEDJWE4YXXHPURX3

not attested not anchored not stored refs pending

Species dynamics in the two-parameter Poisson-Dirichlet diffusion model

Matteo Ruggiero

arxiv:1305.0179 v2 · 2013-05-01 · math.PR · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBGQVEAGF6QEDJWE4YXXHPURX3}

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	2026-05-18T02:55:11.395287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384d0a90062fa041a6c4e62f73be91beda70dcc4e0f1852030490651924055dd

Aliases

arxiv: 1305.0179 · arxiv_version: 1305.0179v2 · doi: 10.48550/arxiv.1305.0179 · pith_short_12: HBGQVEAGF6QE · pith_short_16: HBGQVEAGF6QEDJWE · pith_short_8: HBGQVEAG

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/HBGQVEAGF6QEDJWE4YXXHPURX3 \
  | 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: 384d0a90062fa041a6c4e62f73be91beda70dcc4e0f1852030490651924055dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad0572fc490977b7fbc72f4be9ddf05dd92b1bd8922bfa3f4f87ac1f0744bff8",
    "cross_cats_sorted": [
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-05-01T14:21:56Z",
    "title_canon_sha256": "eb2eea70c1f37ab2ab65c8c863250c68b9d3c22e2c118eb304eb0ce4dd25bd71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0179",
    "kind": "arxiv",
    "version": 2
  }
}