Pith Number

pith:VFY3EM6F

pith:2006:VFY3EM6FE7PGIF2CFNGVD7R7Z3

not attested not anchored not stored refs pending

An accurate optical lattice clock with 87Sr atoms

Anders Brusch (SYRTE), Giovanni D. Rovera (SYRTE), Mathilde Fouch\'e (SYRTE), Olivier Tcherbakoff (SYRTE), Pierre Lemonde (SYRTE), Rodolphe Le Targat (SYRTE), Xavier Baillard (SYRTE)

arxiv:physics/0605200 v1 · 2006-05-23 · 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{VFY3EM6FE7PGIF2CFNGVD7R7Z3}

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	2026-05-18T01:08:46.354905Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a971b233c527de6417422b4d51fe3fcedbab9fb1f07391dcd80a946bd37621f6

Aliases

arxiv: physics/0605200 · arxiv_version: physics/0605200v1 · doi: 10.48550/arxiv.physics/0605200 · pith_short_12: VFY3EM6FE7PG · pith_short_16: VFY3EM6FE7PGIF2C · pith_short_8: VFY3EM6F

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/VFY3EM6FE7PGIF2CFNGVD7R7Z3 \
  | 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: a971b233c527de6417422b4d51fe3fcedbab9fb1f07391dcd80a946bd37621f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3df0a32f74f6488b63d7a97cb31fe4ea23d3dd968d58023b8115ae8a976fbf98",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2006-05-23T17:01:52Z",
    "title_canon_sha256": "c4c5b1812c3e63936ce2efbb2f9b950cfba01313213373d5fdb43542f2329a06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0605200",
    "kind": "arxiv",
    "version": 1
  }
}