Pith Number

pith:JY4DGHC2

pith:2012:JY4DGHC2JTY6FCNQC3CIGPCRLY

not attested not anchored not stored refs pending

Adaptive real-time dual-comb spectroscopy

Antonin Poisson, Guy Guelachvili, Nathalie Picqu\'e, Takuro Ideguchi, Theodor W. H\"ansch

arxiv:1201.4177 v2 · 2012-01-19 · 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{JY4DGHC2JTY6FCNQC3CIGPCRLY}

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	2026-05-18T00:42:40.074620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e38331c5a4cf1e289b016c4833c515e0d8c5b030604063d9d58d2ba748add5c

Aliases

arxiv: 1201.4177 · arxiv_version: 1201.4177v2 · doi: 10.48550/arxiv.1201.4177 · pith_short_12: JY4DGHC2JTY6 · pith_short_16: JY4DGHC2JTY6FCNQ · pith_short_8: JY4DGHC2

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/JY4DGHC2JTY6FCNQC3CIGPCRLY \
  | 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: 4e38331c5a4cf1e289b016c4833c515e0d8c5b030604063d9d58d2ba748add5c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c80cd837f25138e8aea0b5f36ce8afdce99308dea209bf41d83e395c655ac27c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-01-19T21:09:10Z",
    "title_canon_sha256": "d32c5e26a09d8bd0cd424ab81b5ee80d47378f3801a18f6193f2c854e27db342"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.4177",
    "kind": "arxiv",
    "version": 2
  }
}