Pith Number

pith:5SXSHGSY

pith:2009:5SXSHGSYPR6RFDQIB3D5FQGOP2

not attested not anchored not stored refs pending

Cavity-enhanced dual-comb spectroscopy

Akira Ozawa (MPQ), Birgitta Bernhardt (MPQ), Guy Guelachvili (PPM), Marion Jacquey (PPM), Nathalie Picqu\'e (MPQ, Patrick Jacquet (PPM), PPM), Ronald Holzwarth (MPQ), Theodor W. H\"ansch (MPQ), Thomas Udem (MPQ), Yohei Kobayashi

arxiv:0908.1928 v1 · 2009-08-13 · 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{5SXSHGSYPR6RFDQIB3D5FQGOP2}

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	2026-05-18T02:12:34.505563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ecaf239a587c7d128e080ec7d2c0ce7e977313ea5658c71335e23ef46e468471

Aliases

arxiv: 0908.1928 · arxiv_version: 0908.1928v1 · doi: 10.48550/arxiv.0908.1928 · pith_short_12: 5SXSHGSYPR6R · pith_short_16: 5SXSHGSYPR6RFDQI · pith_short_8: 5SXSHGSY

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/5SXSHGSYPR6RFDQIB3D5FQGOP2 \
  | 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: ecaf239a587c7d128e080ec7d2c0ce7e977313ea5658c71335e23ef46e468471

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6551ba212a9e3e5fbb8a48317ea882a005267cfbfdda52e0bed35119f2323a2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2009-08-13T16:25:10Z",
    "title_canon_sha256": "21c0c9f67bc19330da47b3def2d0347db89bd4b89bdbc9ce7618e082fbf38d4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.1928",
    "kind": "arxiv",
    "version": 1
  }
}