Pith Number

pith:CNQ2KJPM

pith:2018:CNQ2KJPMJIDNRRNHLR36CHQT2Z

not attested not anchored not stored refs pending

Direct Kerr-frequency-comb atomic spectroscopy

Connor Fredrick, Daniel C. Cole, John Kitching, Jordan R. Stone, Kerry Vahala, Liron Stern, Myoung-Gyun Suh, Scott A Diddams, Scott B. Papp, Songbai Kang, Zachary Newman

arxiv:1812.09789 v1 · 2018-12-23 · physics.optics · 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{CNQ2KJPMJIDNRRNHLR36CHQT2Z}

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	2026-05-17T23:57:26.795450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1361a525ec4a06d8c5a75c77e11e13d6577f3ffacea03e7710a9060ca3cf7e07

Aliases

arxiv: 1812.09789 · arxiv_version: 1812.09789v1 · doi: 10.48550/arxiv.1812.09789 · pith_short_12: CNQ2KJPMJIDN · pith_short_16: CNQ2KJPMJIDNRRNH · pith_short_8: CNQ2KJPM

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/CNQ2KJPMJIDNRRNHLR36CHQT2Z \
  | 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: 1361a525ec4a06d8c5a75c77e11e13d6577f3ffacea03e7710a9060ca3cf7e07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff94313de0890b94dfcea8e52bde225c789db9ca5b7e98cddb86e8642a0cd90a",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-12-23T22:40:43Z",
    "title_canon_sha256": "baeb0e5e9159a383a8b4bf561ed44b6b77dedc0111e3a90dffdbf1f81ef8d46d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09789",
    "kind": "arxiv",
    "version": 1
  }
}