pith. sign in
Pith Number

pith:U23XWIYD

pith:2014:U23XWIYDS7R2KNG6EUQV5A34KA
not attested not anchored not stored refs pending

A statefinder luminosity distance formula in varying speed of light cosmology

Adam Balcerzak, Mariusz P. Dabrowski

arxiv:1406.0150 v1 · 2014-06-01 · astro-ph.CO · gr-qc · hep-th

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U23XWIYDS7R2KNG6EUQV5A34KA}

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 2026-05-18T01:15:47.247828Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a6b77b230397e3a534de25215e837c5029a5ba42c71df22c707fb7b0460c90ab

Aliases

arxiv: 1406.0150 · arxiv_version: 1406.0150v1 · doi: 10.48550/arxiv.1406.0150 · pith_short_12: U23XWIYDS7R2 · pith_short_16: U23XWIYDS7R2KNG6 · pith_short_8: U23XWIYD
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U23XWIYDS7R2KNG6EUQV5A34KA \
  | 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: a6b77b230397e3a534de25215e837c5029a5ba42c71df22c707fb7b0460c90ab
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "1068a66e0389093b8e89f5433368a20d349e29e6fb1c9ef60b23ba8911b27003",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-06-01T09:27:46Z",
    "title_canon_sha256": "1d9441598c80ce8fa4fa9ecd781aba949a2e3b90fb3c0ab98363df5deba80728"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.0150",
    "kind": "arxiv",
    "version": 1
  }
}