Pith Number

pith:QYAYADJS

pith:2008:QYAYADJSCFXWE2VKM4JWTJQOC5

not attested not anchored not stored refs pending

A self-regulating and patch subdivided population

Daniela Bertacchi, Fabio Zucca, Lamia Belhadji

arxiv:0811.1279 v3 · 2008-11-08 · 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{QYAYADJSCFXWE2VKM4JWTJQOC5}

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	2026-05-18T04:02:01.216731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8601800d32116f626aaa671369a60e174cf7d9ec8ee5f27d1f2e96796bb7f8b3

Aliases

arxiv: 0811.1279 · arxiv_version: 0811.1279v3 · doi: 10.48550/arxiv.0811.1279 · pith_short_12: QYAYADJSCFXW · pith_short_16: QYAYADJSCFXWE2VK · pith_short_8: QYAYADJS

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/QYAYADJSCFXWE2VKM4JWTJQOC5 \
  | 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: 8601800d32116f626aaa671369a60e174cf7d9ec8ee5f27d1f2e96796bb7f8b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aeea1c2c7cd2e1c094301f3429cc50eda763aa362d13d5c9eb637dd6ceba04a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2008-11-08T17:23:04Z",
    "title_canon_sha256": "86b289d618a7a5c42cb812bd5837e0074a15a4bd8047b143b7dd833145fa3c9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1279",
    "kind": "arxiv",
    "version": 3
  }
}