Pith Number

pith:QXGOKDYC

pith:2023:QXGOKDYCZLDWACKE3Y3JSBSIVR

not attested not anchored not stored refs pending

A low repetition rate optical frequency comb

Akira Ozawa, Fabian Schmid, Francesco Canella, Gianluca Galzerano, Johannes Weitenberg, Muhammad Thariq, Paras Dwivedi, Theodor W. Haensch, Thomas Udem

arxiv:2309.09616 v1 · 2023-09-18 · 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{QXGOKDYCZLDWACKE3Y3JSBSIVR}

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	2026-07-05T07:30:53.837484Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85cce50f02cac7600944de36990648ac46d0826efe0e7a17ce227f2f7a0f8bdf

Aliases

arxiv: 2309.09616 · arxiv_version: 2309.09616v1 · doi: 10.48550/arxiv.2309.09616 · pith_short_12: QXGOKDYCZLDW · pith_short_16: QXGOKDYCZLDWACKE · pith_short_8: QXGOKDYC

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/QXGOKDYCZLDWACKE3Y3JSBSIVR \
  | 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: 85cce50f02cac7600944de36990648ac46d0826efe0e7a17ce227f2f7a0f8bdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "093048bed0210461104db8bf7fa54e72996cec87a5c6eadd16b9a595b4c3f689",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2023-09-18T09:39:42Z",
    "title_canon_sha256": "665f1ad2fc4ce4bb82b508fb18b4edde5d7176b9fea2ff0634b1a05fc7674f18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2309.09616",
    "kind": "arxiv",
    "version": 1
  }
}