pith. sign in
Pith Number

pith:M655QXFM

pith:2012:M655QXFMX57Q7WEGAYQTDYUYAQ
not attested not anchored not stored refs pending

Holographic dark energy with time varying $c^2$ parameter

M. Honari-Jafarpour, M. Malekjani, R. Zarei

arxiv:1209.1089 v2 · 2012-09-05 · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{M655QXFMX57Q7WEGAYQTDYUYAQ}

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 2026-05-18T01:54:39.978230Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

67bbd85cacbf7f0fd886062131e298042bb0440ab22d71109c2b06f76ffe0ec8

Aliases

arxiv: 1209.1089 · arxiv_version: 1209.1089v2 · doi: 10.48550/arxiv.1209.1089 · pith_short_12: M655QXFMX57Q · pith_short_16: M655QXFMX57Q7WEG · pith_short_8: M655QXFM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/M655QXFMX57Q7WEGAYQTDYUYAQ \
  | 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: 67bbd85cacbf7f0fd886062131e298042bb0440ab22d71109c2b06f76ffe0ec8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8d60d4d56c9eae219f6b9366d899eade9e338f4d52ecf0fdb25e1b225363d9b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-09-05T09:17:53Z",
    "title_canon_sha256": "39fe8b54c011bf6a8c93c646fc96a11244b1831631cd513c958b0b6e9ca1329e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1089",
    "kind": "arxiv",
    "version": 2
  }
}