Pith Number

pith:EPWFRFLF

pith:2013:EPWFRFLFHO7DBZ4N3T4HQLWUEG

not attested not anchored not stored refs pending

Cosmological signature change in Cartan Gravity with dynamical symmetry breaking

Hans Westman, Joao Magueijo, Matias Rodriguez-Vazquez, T.G. Zlosnik

arxiv:1311.4481 v3 · 2013-11-18 · gr-qc · 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{EPWFRFLFHO7DBZ4N3T4HQLWUEG}

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	2026-05-18T02:52:58.187969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

23ec5895653bbe30e78ddcf8782ed421be91511893cfe35049564c11cbffa41e

Aliases

arxiv: 1311.4481 · arxiv_version: 1311.4481v3 · doi: 10.48550/arxiv.1311.4481 · pith_short_12: EPWFRFLFHO7D · pith_short_16: EPWFRFLFHO7DBZ4N · pith_short_8: EPWFRFLF

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/EPWFRFLFHO7DBZ4N3T4HQLWUEG \
  | 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: 23ec5895653bbe30e78ddcf8782ed421be91511893cfe35049564c11cbffa41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "071e7d8394e49f7c648297e27af2639c7f26c4218f2ae06a2c1eec86bb4a075b",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-11-18T18:29:28Z",
    "title_canon_sha256": "a542c3bd90d123615676d01bf0b0160c8f4a31fa6998c82afae1495e8be90a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4481",
    "kind": "arxiv",
    "version": 3
  }
}