Pith Number

pith:KAXVKQ5C

pith:2013:KAXVKQ5COFZ52YMXAHKX67JIBZ

not attested not anchored not stored refs pending

A microresonator frequency comb optical clock

Franklyn Quinlan, Hansuek Lee, Katja Beha, Kerry J. Vahala, Pascal DelHaye, Scott A. Diddams, Scott B. Papp

arxiv:1309.3525 v1 · 2013-09-13 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KAXVKQ5COFZ52YMXAHKX67JIBZ}

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	2026-05-18T03:13:22.331000Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

502f5543a27173dd619701d57f7d280e7172bfbcd964475c82042ca3ba00cc91

Aliases

arxiv: 1309.3525 · arxiv_version: 1309.3525v1 · doi: 10.48550/arxiv.1309.3525 · pith_short_12: KAXVKQ5COFZ5 · pith_short_16: KAXVKQ5COFZ52YMX · pith_short_8: KAXVKQ5C

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/KAXVKQ5COFZ52YMXAHKX67JIBZ \
  | 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: 502f5543a27173dd619701d57f7d280e7172bfbcd964475c82042ca3ba00cc91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a0e5d9ef8cf5a2e0b797719c1ca08b4ceeb07b8dcfe3046b44a5c599246a419",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-09-13T17:54:14Z",
    "title_canon_sha256": "c244b7df6c8bb363d2503c520dc11b30ed3ccb561e091fa615a621dd045d25be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3525",
    "kind": "arxiv",
    "version": 1
  }
}