Pith Number

pith:377KI7FX

pith:2008:377KI7FXIAP634KAIKHLXRC46V

not attested not anchored not stored refs pending

Classical big-bounce cosmology: dynamical analysis of a homogeneous and irrotational Weyssenhoff fluid

A. N. Lasenby, M. P. Hobson, S. D. Brechet

arxiv:0807.2523 v2 · 2008-07-16 · gr-qc · astro-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{377KI7FXIAP634KAIKHLXRC46V}

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	2026-07-04T17:11:49.858181Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dffea47cb7401fedf140428ebbc45cf5772677dad19a6cba3293d6831ba78ec1

Aliases

arxiv: 0807.2523 · arxiv_version: 0807.2523v2 · doi: 10.48550/arxiv.0807.2523 · pith_short_12: 377KI7FXIAP6 · pith_short_16: 377KI7FXIAP634KA · pith_short_8: 377KI7FX

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/377KI7FXIAP634KAIKHLXRC46V \
  | 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: dffea47cb7401fedf140428ebbc45cf5772677dad19a6cba3293d6831ba78ec1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6b3d804d54ea23796b39405d342cbde4d1ffbd4a0646fd037143738da04d7ab",
    "cross_cats_sorted": [
      "astro-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-07-16T09:36:04Z",
    "title_canon_sha256": "83aa33404c168c73e894170edd5e9b2186cdcad681071a2b9ea22716cb2e4989"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.2523",
    "kind": "arxiv",
    "version": 2
  }
}