pith. sign in
Pith Number

pith:CYGF7VWJ

pith:2013:CYGF7VWJFEM525S6RSXAR4DDH4
not attested not anchored not stored refs pending

Quantum modified Regge-Teitelboim cosmology

Alberto Molgado, Efra\'in Rojas, Miguel Cruz, Rub\'en Cordero

arxiv:1309.3031 v3 · 2013-09-12 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{CYGF7VWJFEM525S6RSXAR4DDH4}

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 2026-05-18T02:49:03.305066Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

160c5fd6c92919dd765e8cae08f0633f1cfbfa52e1d0935b78b7807b9cf14d3c

Aliases

arxiv: 1309.3031 · arxiv_version: 1309.3031v3 · doi: 10.48550/arxiv.1309.3031 · pith_short_12: CYGF7VWJFEM5 · pith_short_16: CYGF7VWJFEM525S6 · pith_short_8: CYGF7VWJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/CYGF7VWJFEM525S6RSXAR4DDH4 \
  | 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: 160c5fd6c92919dd765e8cae08f0633f1cfbfa52e1d0935b78b7807b9cf14d3c
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "9291a858f6ad67016c0fd44b989de53b874493039849926b44271d1925555bfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-09-12T04:44:51Z",
    "title_canon_sha256": "0285aadfd5d6116a30a9b565d14ceaf3d0bb56c178292f448241d8afee3eb8a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3031",
    "kind": "arxiv",
    "version": 3
  }
}