Pith Number

pith:YNCHLD3Y

pith:2004:YNCHLD3YFIMHE2BUUUCOOQDRLG

not attested not anchored not stored refs pending

Modulation induced frequency shifts in a CPT-based atomic clock

C. Y.-T. Wang, D. F. Phillips, I. Novikova, M. Crescimanno, R. L. Walsworth

arxiv:physics/0404076 v1 · 2004-04-15 · 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{YNCHLD3YFIMHE2BUUUCOOQDRLG}

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	2026-07-04T16:49:50.414203Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c344758f782a18726834a504e7407159840d02edbd0fea2ec634dc983a46ebe8

Aliases

arxiv: physics/0404076 · arxiv_version: physics/0404076v1 · doi: 10.48550/arxiv.physics/0404076 · pith_short_12: YNCHLD3YFIMH · pith_short_16: YNCHLD3YFIMHE2BU · pith_short_8: YNCHLD3Y

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/YNCHLD3YFIMHE2BUUUCOOQDRLG \
  | 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: c344758f782a18726834a504e7407159840d02edbd0fea2ec634dc983a46ebe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d57acdb26a4af48d6082dea3fe1845064e6ae2795cd6eaae59fdab492a12010",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2004-04-15T20:53:05Z",
    "title_canon_sha256": "7bd54692028dcef5b98c8a3c3aa54edd6865ca03c808451d2ab8a46976da67c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0404076",
    "kind": "arxiv",
    "version": 1
  }
}