Pith Number

pith:Z422VTQ2

pith:2005:Z422VTQ22A7WTC7YEWJP5KPH2J

not attested not anchored not stored refs pending

Systematic study of the $^{87}$Sr clock transition in an optical lattice

Andrew D. Ludlow, Jun Ye, Mark Notcutt, Martin M. Boyd, Sebastian Blatt, Seth M. Foreman, Tetsuya Ido, T. Zelevinsky

arxiv:physics/0508041 v1 · 2005-08-06 · physics.atom-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Z422VTQ22A7WTC7YEWJP5KPH2J}

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	2026-07-04T16:57:17.338404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf35aace1ad03f698bf82592fea9e7d2700e11d8a3fb5b2d554a4db460feb7e2

Aliases

arxiv: physics/0508041 · arxiv_version: physics/0508041v1 · doi: 10.48550/arxiv.physics/0508041 · pith_short_12: Z422VTQ22A7W · pith_short_16: Z422VTQ22A7WTC7Y · pith_short_8: Z422VTQ2

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/Z422VTQ22A7WTC7YEWJP5KPH2J \
  | 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: cf35aace1ad03f698bf82592fea9e7d2700e11d8a3fb5b2d554a4db460feb7e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7eac61b4cc488a0b0793f424733326fa0320cef3ce471b3295169fcee57e5e01",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2005-08-06T01:40:05Z",
    "title_canon_sha256": "2ef8e978f0e562da8ca8ea1c14577154df342cde3293a0d9ef19ec4d1ac5e11e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0508041",
    "kind": "arxiv",
    "version": 1
  }
}