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Pith Number

pith:BI5EZSY4

pith:2012:BI5EZSY42HIFAFVE4BRFYM5GPQ
not attested not anchored not stored refs pending

On The Topological Nature of the Cosmological Constant

M. D. Maia

arxiv:1211.6883 v1 · 2012-11-29 · gr-qc · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BI5EZSY42HIFAFVE4BRFYM5GPQ}

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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 2026-05-18T03:38:57.173140Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0a3a4ccb1cd1d05016a4e0625c33a67c3fd2fda0f3fd474703351bf5e387f777

Aliases

arxiv: 1211.6883 · arxiv_version: 1211.6883v1 · doi: 10.48550/arxiv.1211.6883 · pith_short_12: BI5EZSY42HIF · pith_short_16: BI5EZSY42HIFAFVE · pith_short_8: BI5EZSY4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BI5EZSY42HIFAFVE4BRFYM5GPQ \
  | 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: 0a3a4ccb1cd1d05016a4e0625c33a67c3fd2fda0f3fd474703351bf5e387f777
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "46d8bc3f8b4da6b904d40f5fd9b52891404956f30f2296134701682c03e2167f",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-11-29T11:23:40Z",
    "title_canon_sha256": "b3833a0d205e08e551fb7409633dc702aff180de9552bce51a520609c1d779c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6883",
    "kind": "arxiv",
    "version": 1
  }
}