Pith Number

pith:EN4OX7LI

pith:2010:EN4OX7LIHBYHYRHRUMXCKXS7QK

not attested not anchored not stored refs pending

Femtosecond frequency comb measurement of absolute frequencies and hyperfine coupling constants in cesium vapor

Carol E. Tanner, Jason E. Stalnaker, Leo Hollberg, Scott A. Diddams, Tara M. Fortier, Vela Mbele, Vladislav Gerginov

arxiv:1001.3071 v1 · 2010-01-18 · 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{EN4OX7LIHBYHYRHRUMXCKXS7QK}

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	2026-05-18T02:09:42.963156Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2378ebfd6838707c44f1a32e255e5f82bf535340f1319720fb4adb854c5a0ea4

Aliases

arxiv: 1001.3071 · arxiv_version: 1001.3071v1 · doi: 10.48550/arxiv.1001.3071 · pith_short_12: EN4OX7LIHBYH · pith_short_16: EN4OX7LIHBYHYRHR · pith_short_8: EN4OX7LI

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/EN4OX7LIHBYHYRHRUMXCKXS7QK \
  | 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: 2378ebfd6838707c44f1a32e255e5f82bf535340f1319720fb4adb854c5a0ea4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1194c93c9ded4618a88ca68bb2829f45b93b839942927fdad7489e1b4996467",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2010-01-18T14:22:17Z",
    "title_canon_sha256": "ff06ff4b3b01791a673be872f38ca5163351037dfa916e79c7343baa22f18c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3071",
    "kind": "arxiv",
    "version": 1
  }
}