Pith Number

pith:PC72NRR4

pith:2017:PC72NRR4EGFOLZVRWI76S2BGUF

not attested not anchored not stored refs pending

Direct frequency-comb spectroscopy of $6S_{1/2}$-$8S_{1/2}$ transitions of atomic cesium

Jaewook Ahn, Kyung-tae Kim

arxiv:1707.06424 v1 · 2017-07-20 · 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{PC72NRR4EGFOLZVRWI76S2BGUF}

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	2026-05-18T00:26:12.721067Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58

Aliases

arxiv: 1707.06424 · arxiv_version: 1707.06424v1 · doi: 10.48550/arxiv.1707.06424 · pith_short_12: PC72NRR4EGFO · pith_short_16: PC72NRR4EGFOLZVR · pith_short_8: PC72NRR4

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/PC72NRR4EGFOLZVRWI76S2BGUF \
  | 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: 78bfa6c63c218ae5e6b1b23fe96826a16f1be70078d8d98da113989d96622f58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78068dddc39d14c5ce95c495debc112136b2cc44f4d5de014d1387fdc143aac4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2017-07-20T09:32:46Z",
    "title_canon_sha256": "d12d01b0ae5576d8e46a7cfa1abf287155409737353d0ed7938c1842f42e4371"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.06424",
    "kind": "arxiv",
    "version": 1
  }
}