Pith Number

pith:HMO7XTWP

pith:2014:HMO7XTWP74DENMWH7S64DJKB3H

not attested not anchored not stored refs pending

Observables in theories with a varying fine structure constant

A. Hees, J. Larena, O. Minazzoli

arxiv:1409.7273 v3 · 2014-09-25 · gr-qc · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HMO7XTWP74DENMWH7S64DJKB3H}

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	2026-05-18T02:28:47.551962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b1dfbcecfff0646b2c7fcbdc1a541d9cd5405f3f1c9a60cd7456fb4c518f650

Aliases

arxiv: 1409.7273 · arxiv_version: 1409.7273v3 · doi: 10.48550/arxiv.1409.7273 · pith_short_12: HMO7XTWP74DE · pith_short_16: HMO7XTWP74DENMWH · pith_short_8: HMO7XTWP

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/HMO7XTWP74DENMWH7S64DJKB3H \
  | 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: 3b1dfbcecfff0646b2c7fcbdc1a541d9cd5405f3f1c9a60cd7456fb4c518f650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bce24dc7304402edcb501182cefdd59384e05bee38787b799bd2c38523a18289",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2014-09-25T14:39:30Z",
    "title_canon_sha256": "41642dfee4ce9bb504906005536320f9ea21bd08137ebdb081da4d55cde9b474"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7273",
    "kind": "arxiv",
    "version": 3
  }
}