Pith Number

pith:ZY675KTY

pith:2017:ZY675KTY6C5ZKAOJYIUJZO7UB3

not attested not anchored not stored refs pending

Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars

Jay B. Holberg, Jiting Hu, John D. Barrow, John K. Webb, Julian C. Berengut, Martin A. Barstow, Matthew B. Bainbridge, Nicole Reindl, Simon P. Preval, Thomas R. Ayres, Victor V. Flambaum, Vincent Dumont, Vladimir A. Dzuba, Wim Ubachs, W.-\"U Lydia Tchang-Brillet

arxiv:1702.01757 v2 · 2017-02-06 · astro-ph.CO · gr-qc · hep-ph · 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{ZY675KTY6C5ZKAOJYIUJZO7UB3}

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	2026-05-18T00:46:59.095122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce3dfeaa78f0bb9501c9c2289cbbf40ecf10e48783e7cd1ab8d96fa7b4943702

Aliases

arxiv: 1702.01757 · arxiv_version: 1702.01757v2 · doi: 10.48550/arxiv.1702.01757 · pith_short_12: ZY675KTY6C5Z · pith_short_16: ZY675KTY6C5ZKAOJ · pith_short_8: ZY675KTY

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/ZY675KTY6C5ZKAOJYIUJZO7UB3 \
  | 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: ce3dfeaa78f0bb9501c9c2289cbbf40ecf10e48783e7cd1ab8d96fa7b4943702

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89679ea53a1e273d49d7bca172a9acd66ade74c7ecbc6e98638207592b516de4",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-02-06T19:00:03Z",
    "title_canon_sha256": "805ad78213a0f242404c74a3c0f179d5bfd84086bcf1e94e3961d1b3a3aef59b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.01757",
    "kind": "arxiv",
    "version": 2
  }
}