Pith Number

pith:XQF7LHIU

pith:2015:XQF7LHIURPW4E6C7ZRYIMX7RB2

not attested not anchored not stored refs pending

Einstein's cosmology review of 1933: a new perspective on the Einstein-de Sitter model of the cosmos

Cormac O'Raifeartaigh, Michael O'Keeffe, Simon Mitton, Werner Nahm

arxiv:1503.08029 v1 · 2015-03-27 · physics.hist-ph · astro-ph.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{XQF7LHIURPW4E6C7ZRYIMX7RB2}

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.

Cited by

1 paper in Pith

Ricci cosmology

Receipt and verification

First computed	2026-05-18T00:52:08.667065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc0bf59d148bedc2785fcc70865ff10ebb931ecb37fb14b4b096e8f525888739

Aliases

arxiv: 1503.08029 · arxiv_version: 1503.08029v1 · doi: 10.48550/arxiv.1503.08029 · pith_short_12: XQF7LHIURPW4 · pith_short_16: XQF7LHIURPW4E6C7 · pith_short_8: XQF7LHIU

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/XQF7LHIURPW4E6C7ZRYIMX7RB2 \
  | 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: bc0bf59d148bedc2785fcc70865ff10ebb931ecb37fb14b4b096e8f525888739

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56c7a108c2797eb8a881bcc9de7c40a03029f3814e5efd47061156bab4cd16ae",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.hist-ph",
    "submitted_at": "2015-03-27T11:39:45Z",
    "title_canon_sha256": "abd06e9e824932efaaeaf634eab5d07e713551d0d5d029e1a1d05d87162f493e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08029",
    "kind": "arxiv",
    "version": 1
  }
}