Pith Number

pith:Z7DUXZNS

pith:2015:Z7DUXZNS6BH5LRQ5I6CCBXJA5O

not attested not anchored not stored refs pending

The Optimised Theta Method

Fotios Petropoulos, Francisco Louzada, Jos\'e Augusto Fioruci, Tiago Ribeiro Pellegrini

arxiv:1503.03529 v1 · 2015-03-11 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z7DUXZNS6BH5LRQ5I6CCBXJA5O}

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	2026-05-18T02:24:58.332972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc74be5b2f04fd5c61d478420dd20eb932a9e7846135ac48da810c1ea2c000e

Aliases

arxiv: 1503.03529 · arxiv_version: 1503.03529v1 · doi: 10.48550/arxiv.1503.03529 · pith_short_12: Z7DUXZNS6BH5 · pith_short_16: Z7DUXZNS6BH5LRQ5 · pith_short_8: Z7DUXZNS

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/Z7DUXZNS6BH5LRQ5I6CCBXJA5O \
  | 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: cfc74be5b2f04fd5c61d478420dd20eb932a9e7846135ac48da810c1ea2c000e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd334a197286ee010f4001f7410c5a044f2177b71c9beaa3a99fefad29e7f293",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-03-11T23:08:06Z",
    "title_canon_sha256": "e1d623b955a3d72e9f3bf7c6faa97ae3eae219e9bf43621391b408131d31d854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03529",
    "kind": "arxiv",
    "version": 1
  }
}