Pith Number

pith:V52YFZ4D

pith:1999:V52YFZ4DNJZHX434NACR4MF77V

not attested not anchored not stored refs pending

Imaginative Cosmology

Joao Magueijo, Robert H. Brandenberger

arxiv:hep-ph/9912247 v1 · 1999-12-06 · hep-ph · astro-ph · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V52YFZ4DNJZHX434NACR4MF77V}

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.

Cited by

1 paper in Pith

Alleviating the Hubble Tension via Cosmological Time Dilation in the meVSL Model

Receipt and verification

First computed	2026-07-04T14:31:16.042439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af7582e7836a727bf37c68051e30bffd40a5ba1dacfd79b88136a176646fdbc0

Aliases

arxiv: hep-ph/9912247 · arxiv_version: hep-ph/9912247v1 · doi: 10.48550/arxiv.hep-ph/9912247 · pith_short_12: V52YFZ4DNJZH · pith_short_16: V52YFZ4DNJZHX434 · pith_short_8: V52YFZ4D

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/V52YFZ4DNJZHX434NACR4MF77V \
  | 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: af7582e7836a727bf37c68051e30bffd40a5ba1dacfd79b88136a176646fdbc0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7c74f741e84e4e99230f105383eb98e29a9ca8dd151583b82f441a22a64cf0e",
    "cross_cats_sorted": [
      "astro-ph",
      "gr-qc",
      "hep-th"
    ],
    "license": "",
    "primary_cat": "hep-ph",
    "submitted_at": "1999-12-06T05:34:12Z",
    "title_canon_sha256": "baac770bd829bad39b0963980fdec6734fcb52699da694d57a951b3db69390df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "hep-ph/9912247",
    "kind": "arxiv",
    "version": 1
  }
}