Pith Number

pith:GQEXKAB7

pith:2016:GQEXKAB7K7F4DJ2M6TQKRV2V7S

not attested not anchored not stored refs pending

Constraining New Physics Models with Isotope Shift Spectroscopy

Claudia Frugiuele, Elina Fuchs, Gilad Perez, Matthias Schlaffer

arxiv:1602.04822 v2 · 2016-02-15 · 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{GQEXKAB7K7F4DJ2M6TQKRV2V7S}

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	2026-05-18T00:40:08.417989Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

340975003f57cbc1a74cf4e0a8d755fc94915b72fb657bce90c34820d4846520

Aliases

arxiv: 1602.04822 · arxiv_version: 1602.04822v2 · doi: 10.48550/arxiv.1602.04822 · pith_short_12: GQEXKAB7K7F4 · pith_short_16: GQEXKAB7K7F4DJ2M · pith_short_8: GQEXKAB7

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/GQEXKAB7K7F4DJ2M6TQKRV2V7S \
  | 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: 340975003f57cbc1a74cf4e0a8d755fc94915b72fb657bce90c34820d4846520

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae44327f3732f0410f9d4a2a3045af4ff3eb7e21bc15994ccbc6dcdfc2de69dd",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-ph",
    "submitted_at": "2016-02-15T21:00:07Z",
    "title_canon_sha256": "df5b572f76031ab2959be8c09ee3b82fe0bf130bcb09f506cbfab36fb449eac9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04822",
    "kind": "arxiv",
    "version": 2
  }
}