Pith Number

pith:4P2LBWO5

pith:2019:4P2LBWO5BAWUE4H56DLJDBXEZK

not attested not anchored not stored refs pending

Search for transient variations of the fine structure constant and dark matter using fiber-linked optical atomic clocks

A. Al-Masoudi, A. Amy-Klein, A. Hees, A. Kuhl, A. Silva, B. Lipphardt, B. M. Roberts, C. B{\ae}rentsen, C. F. A. Baynham, C. Guo, Chr. Tamm, C. Lisdat, C. Sanner, D. Xu, E. A. Curtis, E. Benkler, E. Cantin, E. Peik, F. Frank, F. Meynadier, F. Ozimek, G. Grosche, G. Vallet, H. \'Alvarez-Mart\'inez, H. S. Margolis, I. R. Hill, J. Calvert, J. Kronj\"ager, J. Lodewyck, L. De Sarlo, M. Favier, M. Schioppo, N. Huntemann, N. Quintin, O. Lopez, P. Delva, P.-E. Pottie, P. Gill, P. Tuckey, P. Wolf, R. Hobson, R. Lange, R. Le Targat, R. M. Godun, R. Schwarz, S. Bilicki, S. Bize, S. D\"orscher, S. Koke, T. Legero, T. Waterholter, U. Sterr, V. Cambier, W. Bowden

arxiv:1907.02661 v2 · 2019-07-05 · astro-ph.CO · hep-ph · physics.atom-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{4P2LBWO5BAWUE4H56DLJDBXEZK}

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.

Cited by

1 paper in Pith

Short Gravitational-Wave Transients as Probes of Cosmic Domain Walls

Receipt and verification

First computed	2026-07-05T01:33:17.211090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3f4b0d9dd082d4270fdf0d69186e4cab5bc565306d48a7e7bf2159985cfbc11

Aliases

arxiv: 1907.02661 · arxiv_version: 1907.02661v2 · doi: 10.48550/arxiv.1907.02661 · pith_short_12: 4P2LBWO5BAWU · pith_short_16: 4P2LBWO5BAWUE4H5 · pith_short_8: 4P2LBWO5

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/4P2LBWO5BAWUE4H56DLJDBXEZK \
  | 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: e3f4b0d9dd082d4270fdf0d69186e4cab5bc565306d48a7e7bf2159985cfbc11

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38f7b20fd5de7ee1b0d9bb0455bdd459e7b6fe1d90cb09f287e975c3d67fe25e",
    "cross_cats_sorted": [
      "hep-ph",
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-07-05T02:56:30Z",
    "title_canon_sha256": "5fc6afe330800c0c6ba6b9ab9592de57313e8d15a7f9c5261b2a67385ba45c37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.02661",
    "kind": "arxiv",
    "version": 2
  }
}