Pith Number

pith:FOVD2I4C

pith:2025:FOVD2I4CGAFPGENJAEETCRQZFU

not attested not anchored not stored refs pending

Compact and robust optical frequency reference module based on reproducible and redistributable optical design

Jiwon Wi, Junki Kim, Taehee Kim

arxiv:2508.04103 v1 · 2025-08-06 · physics.atom-ph · physics.ins-det · 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{FOVD2I4CGAFPGENJAEETCRQZFU}

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	2026-07-05T11:49:36.690199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2baa3d2382300af311a901093146192d2e964eb48494d513a0d6429941702596

Aliases

arxiv: 2508.04103 · arxiv_version: 2508.04103v1 · doi: 10.48550/arxiv.2508.04103 · pith_short_12: FOVD2I4CGAFP · pith_short_16: FOVD2I4CGAFPGENJ · pith_short_8: FOVD2I4C

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/FOVD2I4CGAFPGENJAEETCRQZFU \
  | 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: 2baa3d2382300af311a901093146192d2e964eb48494d513a0d6429941702596

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7c5e4c7b0f540580706ff8bb43fdeb905dc1d1b763d71eb7c337c78ed23f1bb",
    "cross_cats_sorted": [
      "physics.ins-det",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.atom-ph",
    "submitted_at": "2025-08-06T05:46:12Z",
    "title_canon_sha256": "1620e819f84a8c84d0eb6489e06214a747c9dcd17b370b0eaa32b46e3c330a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.04103",
    "kind": "arxiv",
    "version": 1
  }
}