Pith Number

pith:OLGBPTDG

pith:2014:OLGBPTDG7X7C73O3WIYKIW77EX

not attested not anchored not stored refs pending

Variations of the fine-structure constant $\alpha$ in exotic singularity models

C. J. A. P. Martins, Mariusz P. Dabrowski, P.E. Vielzeuf, Tomasz Denkiewicz

arxiv:1406.1007 v1 · 2014-06-04 · astro-ph.CO · 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{OLGBPTDG7X7C73O3WIYKIW77EX}

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	2026-05-18T01:33:16.672461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72cc17cc66fdfe2feddbb230a45bff25d93e8794fcc6d587751e498b51987a4b

Aliases

arxiv: 1406.1007 · arxiv_version: 1406.1007v1 · doi: 10.48550/arxiv.1406.1007 · pith_short_12: OLGBPTDG7X7C · pith_short_16: OLGBPTDG7X7C73O3 · pith_short_8: OLGBPTDG

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/OLGBPTDG7X7C73O3WIYKIW77EX \
  | 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: 72cc17cc66fdfe2feddbb230a45bff25d93e8794fcc6d587751e498b51987a4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dd6823f5e75f1f2700665df4a37292ddf4db181a875e053745d93800597e86fa",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2014-06-04T11:22:11Z",
    "title_canon_sha256": "608668a99e0cdacb05a7e71df5a2966f71caa9bc8471021cf218c77b0a8f910a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1007",
    "kind": "arxiv",
    "version": 1
  }
}