Pith Number

pith:KWDY5SOH

pith:2006:KWDY5SOHTXT5OWLWQ6U7DU3LGW

not attested not anchored not stored refs pending

Precision Spectroscopy of Molecular Hydrogen Ions: Towards Frequency Metrology of Particle Masses

B. Roth, D. Bakalov, J. Koelemeij, J.-Ph. Karr, L. Hilico, S. Schiller, V.I. Korobov

arxiv:physics/0612106 v1 · 2006-12-12 · 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{KWDY5SOHTXT5OWLWQ6U7DU3LGW}

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	2026-05-18T00:50:31.536263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55878ec9c79de7d7597687a9f1d36b3583ce863ca065843499caef046b2c403a

Aliases

arxiv: physics/0612106 · arxiv_version: physics/0612106v1 · doi: 10.48550/arxiv.physics/0612106 · pith_short_12: KWDY5SOHTXT5 · pith_short_16: KWDY5SOHTXT5OWLW · pith_short_8: KWDY5SOH

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/KWDY5SOHTXT5OWLWQ6U7DU3LGW \
  | 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: 55878ec9c79de7d7597687a9f1d36b3583ce863ca065843499caef046b2c403a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "20ade2d3579c6894d6d4386453d7c09b022448c3cdb1be684e8e9c2f00caacae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2006-12-12T12:55:27Z",
    "title_canon_sha256": "8d21d4875ec0bb679f832eadbfe0545d3f8a6559339f9423d4269bdb53583a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0612106",
    "kind": "arxiv",
    "version": 1
  }
}