Pith Number

pith:MXFJTSMO

pith:2012:MXFJTSMO24ZQWQAVTMDBFDPBPG

not attested not anchored not stored refs pending

Periodic Cosmological Evolutions of Equation of State for Dark Energy

Gulgasyl Nugmanova, Kazuharu Bamba, Kuralay Yesmakhanova, Petr Tsyba, Ratbay Myrzakulov, Ujjal Debnath

arxiv:1203.4226 v2 · 2012-03-18 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MXFJTSMO24ZQWQAVTMDBFDPBPG}

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	2026-05-18T03:40:16.229080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65ca99c98ed7330b40159b06128de179a2bdc3bace6af21f30fa127b1c91cd25

Aliases

arxiv: 1203.4226 · arxiv_version: 1203.4226v2 · doi: 10.48550/arxiv.1203.4226 · pith_short_12: MXFJTSMO24ZQ · pith_short_16: MXFJTSMO24ZQWQAV · pith_short_8: MXFJTSMO

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/MXFJTSMO24ZQWQAVTMDBFDPBPG \
  | 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: 65ca99c98ed7330b40159b06128de179a2bdc3bace6af21f30fa127b1c91cd25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be7883bbc3a94cae15e9cc97255b61c9152e083b5b957fc4f8a87ce5b518292",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-03-18T17:12:26Z",
    "title_canon_sha256": "e38aae057bb5e49a1f5b6950523181ecf1159c5345a652fe572afad39e5df069"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4226",
    "kind": "arxiv",
    "version": 2
  }
}