Pith Number

pith:T2TLD6SF

pith:2013:T2TLD6SFPCSMSH5OUC24LYLUTY

not attested not anchored not stored refs pending

The power of 2 choices over preferential attachment

Elliot Paquette, Yury Malyshkin

arxiv:1311.1091 v2 · 2013-11-05 · math.PR · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T2TLD6SFPCSMSH5OUC24LYLUTY}

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	2026-05-18T02:58:56.597144Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ea6b1fa4578a4c91faea0b5c5e1749e302fd1f5d0ddad1674c4f8dfba497371

Aliases

arxiv: 1311.1091 · arxiv_version: 1311.1091v2 · doi: 10.48550/arxiv.1311.1091 · pith_short_12: T2TLD6SFPCSM · pith_short_16: T2TLD6SFPCSMSH5O · pith_short_8: T2TLD6SF

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/T2TLD6SFPCSMSH5OUC24LYLUTY \
  | 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: 9ea6b1fa4578a4c91faea0b5c5e1749e302fd1f5d0ddad1674c4f8dfba497371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06ca2a9e5018cf4d4f6defedeb90293bbcbf6bf9e7c261b9f1d38dcbce040ffc",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2013-11-05T15:40:04Z",
    "title_canon_sha256": "022590722724b46a7c594a83deed99d4b32549a839c404b72c0c364cca1846f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.1091",
    "kind": "arxiv",
    "version": 2
  }
}