Pith Number

pith:37QXAEUG

pith:2013:37QXAEUGOTCKVHDQVZNODATBJ6

not attested not anchored not stored refs pending

About the Infinite Repetition of Histories in Space

Francisco Jos\'e Soler Gil, Manuel Alfonseca

arxiv:1301.5295 v3 · 2013-01-22 · physics.gen-ph · physics.hist-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{37QXAEUGOTCKVHDQVZNODATBJ6}

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	2026-05-18T03:05:08.578431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfe170128674c4aa9c70ae5ae182614f8530a988c2bab7c56bbcbf556809bccc

Aliases

arxiv: 1301.5295 · arxiv_version: 1301.5295v3 · doi: 10.48550/arxiv.1301.5295 · pith_short_12: 37QXAEUGOTCK · pith_short_16: 37QXAEUGOTCKVHDQ · pith_short_8: 37QXAEUG

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/37QXAEUGOTCKVHDQVZNODATBJ6 \
  | 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: dfe170128674c4aa9c70ae5ae182614f8530a988c2bab7c56bbcbf556809bccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b39ab295fead42c36201f6e3c77dd03e1342715fa29772aec0e1141a25e218",
    "cross_cats_sorted": [
      "physics.hist-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2013-01-22T19:52:49Z",
    "title_canon_sha256": "4d30a94f28572fcb465475dc9dd6e7bbbed7882c35b7e2793b14ec7763177723"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.5295",
    "kind": "arxiv",
    "version": 3
  }
}