Pith Number

pith:SEHVH7C5

pith:1998:SEHVH7C5JJB4PH27H6RIFNR4YA

not attested not anchored not stored refs pending

Measurement of the Muonium 1S-2S Transition Frequency

(2) U.Oxford, (3) RAL, (4) U. Sussex, (5) ILP Novosibirsk, (6) Yale), M1S2S-Collaboration ((1) U.Heidelberg

arxiv:physics/9805020 v1 · 1998-05-14 · 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{SEHVH7C5JJB4PH27H6RIFNR4YA}

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	2026-05-18T01:05:17.175078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

910f53fc5d4a43c79f5f3fa282b63cc026b1ced49f5eb224505958dd3d1818b7

Aliases

arxiv: physics/9805020 · arxiv_version: physics/9805020v1 · doi: 10.48550/arxiv.physics/9805020 · pith_short_12: SEHVH7C5JJB4 · pith_short_16: SEHVH7C5JJB4PH27 · pith_short_8: SEHVH7C5

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/SEHVH7C5JJB4PH27H6RIFNR4YA \
  | 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: 910f53fc5d4a43c79f5f3fa282b63cc026b1ced49f5eb224505958dd3d1818b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8604162587ea04169b6561a7dec450d87e8abc4c5722761d557433f692465049",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "1998-05-14T14:16:08Z",
    "title_canon_sha256": "c220e8edbca7ef378f6421663f6e47ac9b4e4eba97cf5a7d4a13a283293a992e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/9805020",
    "kind": "arxiv",
    "version": 1
  }
}