pith. sign in
Pith Number

pith:RO57SD7Y

pith:2013:RO57SD7YNEUG4RLXMOOMEDLC6Y
not attested not anchored not stored refs pending

Broadband high-resolution two-photon spectroscopy with laser frequency combs

Arthur Hipke, Nathalie Picqu\'e, Samuel A. Meek, Takuro Ideguchi, Theodor W. H\"ansch

arxiv:1311.6138 v1 · 2013-11-24 · physics.optics

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RO57SD7YNEUG4RLXMOOMEDLC6Y}

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 2026-05-18T03:06:14.794411Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

8bbbf90ff869286e4577639cc20d62f6373a99dc067062fc58cefdc1753bc1f2

Aliases

arxiv: 1311.6138 · arxiv_version: 1311.6138v1 · doi: 10.48550/arxiv.1311.6138 · pith_short_12: RO57SD7YNEUG · pith_short_16: RO57SD7YNEUG4RLX · pith_short_8: RO57SD7Y
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RO57SD7YNEUG4RLXMOOMEDLC6Y \
  | 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: 8bbbf90ff869286e4577639cc20d62f6373a99dc067062fc58cefdc1753bc1f2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d225055377634fc8e74813a8a969b8f34ad1549c2690732dd5cc76ee5851be89",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2013-11-24T15:57:42Z",
    "title_canon_sha256": "b9cc916753295bdca453c2288a97516344734fca07aa84f69ea5a5819dc45b38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.6138",
    "kind": "arxiv",
    "version": 1
  }
}