Pith Number

pith:C2TKVSLA

pith:2014:C2TKVSLAGYGT6XQHOQ7TIZPJSZ

not attested not anchored not stored refs pending

Frequency ratio measurement of 171Yb and 87Sr optical lattice clocks

Atsushi Onae, Daisuke Akamatsu, Feng-Lei Hong, Hajime Inaba, Kazumoto Hosaka, Masami Yasuda, Takehiko Tanabe

arxiv:1403.5836 v1 · 2014-03-24 · 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{C2TKVSLAGYGT6XQHOQ7TIZPJSZ}

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	2026-05-18T01:43:52.065851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16a6aac960360d3f5e07743f3465e99663d4db89a8fd82b7f1e89b017ea8646e

Aliases

arxiv: 1403.5836 · arxiv_version: 1403.5836v1 · doi: 10.48550/arxiv.1403.5836 · pith_short_12: C2TKVSLAGYGT · pith_short_16: C2TKVSLAGYGT6XQH · pith_short_8: C2TKVSLA

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/C2TKVSLAGYGT6XQHOQ7TIZPJSZ \
  | 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: 16a6aac960360d3f5e07743f3465e99663d4db89a8fd82b7f1e89b017ea8646e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51987ddd48e9fd85d50000b08e01a16f8cdcb51d090d3ef2bf85c993963a05f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2014-03-24T02:24:28Z",
    "title_canon_sha256": "335da65a222588b78f3eb6a51b5e8d74e9c80676198d84079d92c59a5dbd9a43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.5836",
    "kind": "arxiv",
    "version": 1
  }
}