Pith Number

pith:YYLFHSQK

pith:2019:YYLFHSQKTLZC52D6DS5WEPVGTT

not attested not anchored not stored refs pending

Fast apparent oscillations of fundamental constants

Dionysios Antypas, Dmitry Budker, Gilad Perez, Jun Ye, MiKhail G. Kozlov, Victor V. Flambaum

arxiv:1912.01335 v4 · 2019-12-03 · physics.atom-ph · hep-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YYLFHSQKTLZC52D6DS5WEPVGTT}

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	2026-07-05T01:04:08.311666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c61653ca0a9af22ee87e1cbb623ea69cf28b7b3f3d8e9c66d6f97f2b98bab4c9

Aliases

arxiv: 1912.01335 · arxiv_version: 1912.01335v4 · doi: 10.48550/arxiv.1912.01335 · pith_short_12: YYLFHSQKTLZC · pith_short_16: YYLFHSQKTLZC52D6 · pith_short_8: YYLFHSQK

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/YYLFHSQKTLZC52D6DS5WEPVGTT \
  | 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: c61653ca0a9af22ee87e1cbb623ea69cf28b7b3f3d8e9c66d6f97f2b98bab4c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b486285687265e79d482826560bfe44b86f489b75f32db81e67f392c8a0bc601",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-12-03T12:23:13Z",
    "title_canon_sha256": "4efe71175204c15500580ad4c211ef1e38508460a8f60f37bc64aceeb6a6ccc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.01335",
    "kind": "arxiv",
    "version": 4
  }
}