Pith Number

pith:BY5YJ77L

pith:2013:BY5YJ77LPAH4BV5WA4A5AVDEZW

not attested not anchored not stored refs pending

A fully quantum model of Big Bang

Antonino Del Popolo, Sergei P. Maydanyuk, Vladislav S. Olkhovsky

arxiv:1301.4569 v1 · 2013-01-19 · gr-qc · astro-ph.CO · hep-th · quant-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{BY5YJ77LPAH4BV5WA4A5AVDEZW}

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	2026-05-18T03:35:56.357429Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3b84ffeb780fc0d7b60701d05464cd943f80c35637afea78aef64dbf027dc2

Aliases

arxiv: 1301.4569 · arxiv_version: 1301.4569v1 · doi: 10.48550/arxiv.1301.4569 · pith_short_12: BY5YJ77LPAH4 · pith_short_16: BY5YJ77LPAH4BV5W · pith_short_8: BY5YJ77L

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/BY5YJ77LPAH4BV5WA4A5AVDEZW \
  | 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: 0e3b84ffeb780fc0d7b60701d05464cd943f80c35637afea78aef64dbf027dc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd1a2b5777c8ad6943e316de1496e87f0ef3e807f809af1f1bf83076868cb528",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "hep-th",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-01-19T15:09:55Z",
    "title_canon_sha256": "6584438b0a10303ed92f788557c08569fa868070b6bdebd397ed3738c68e2eb6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4569",
    "kind": "arxiv",
    "version": 1
  }
}