Pith Number

pith:K3RLY54E

pith:2000:K3RLY54ECT7DJYKWNVOYGZ4I5S

not attested not anchored not stored refs pending

A phase-locked frequency divide-by-3 optical parametric oscillator

A. Clairon (BNM-LPTF/Observatoire de Paris), A. Douillet, A. Makdissi, G. Santarelli, J.-J. Zondy

arxiv:physics/0011009 v1 · 2000-11-03 · 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{K3RLY54ECT7DJYKWNVOYGZ4I5S}

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	2026-05-18T00:58:55.951760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56e2bc778414fe34e1566d5d836788ec9cdfea7964be7128dc634bb0ae587528

Aliases

arxiv: physics/0011009 · arxiv_version: physics/0011009v1 · doi: 10.48550/arxiv.physics/0011009 · pith_short_12: K3RLY54ECT7D · pith_short_16: K3RLY54ECT7DJYKW · pith_short_8: K3RLY54E

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/K3RLY54ECT7DJYKWNVOYGZ4I5S \
  | 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: 56e2bc778414fe34e1566d5d836788ec9cdfea7964be7128dc634bb0ae587528

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a623eed9f8a376a5ba9f392c5029ffbd165b1f4534aa58dda342caa6400faeaa",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.optics",
    "submitted_at": "2000-11-03T13:04:51Z",
    "title_canon_sha256": "d501ce81c259e4696e03f91ae9491ece8a42d0a634fcec9b78874aa8f02197d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0011009",
    "kind": "arxiv",
    "version": 1
  }
}