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Pith Number

pith:337EVC52

pith:2019:337EVC52ERJ6BDJ7K5RCO42HN6
not attested not anchored not stored refs pending

Measurement of the variation of electron-to-proton mass ratio using ultracold molecules produced from laser-cooled atoms

Atsushi Ogino, Jun Kobayashi, Shin Inouye

arxiv:1908.08722 v1 · 2019-08-23 · physics.atom-ph

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\usepackage{pith}
\pithnumber{337EVC52ERJ6BDJ7K5RCO42HN6}

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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

Receipt and verification
First computed 2026-07-04T23:59:23.623948Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

defe4a8bba2453e08d3f57622773476f92ea76f20fc0ff5df8aecdff5bc8a56b

Aliases

arxiv: 1908.08722 · arxiv_version: 1908.08722v1 · doi: 10.48550/arxiv.1908.08722 · pith_short_12: 337EVC52ERJ6 · pith_short_16: 337EVC52ERJ6BDJ7 · pith_short_8: 337EVC52
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/337EVC52ERJ6BDJ7K5RCO42HN6 \
  | 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: defe4a8bba2453e08d3f57622773476f92ea76f20fc0ff5df8aecdff5bc8a56b
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d0d438efa721a73098f24139b1f70a07c96275af698a5851f6520066527ba966",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2019-08-23T09:05:47Z",
    "title_canon_sha256": "30e575f8b53d5d3f64a5d94601ac973fb3438f4a1bf90935a32556d8763e28d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08722",
    "kind": "arxiv",
    "version": 1
  }
}