Pith Number

pith:FAOFMHTS

pith:2019:FAOFMHTSDHQMIZSXTIDUDXHMDO

not attested not anchored not stored refs pending

Room-Temperature Continuous-Wave Frequency-Referenced Spectrometer up to 7.5 THz

Davide Calonico, Luigi Consolino, Marco Ravaro, Michele De Regis, Paolo De Natale, Saverio Bartalini

arxiv:1905.00647 v1 · 2019-05-02 · 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{FAOFMHTSDHQMIZSXTIDUDXHMDO}

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	2026-05-17T23:47:11.332066Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281c561e7219e0c466579a0741dcec1b85ffeebd81b92d7bc3c70dfcd07db538

Aliases

arxiv: 1905.00647 · arxiv_version: 1905.00647v1 · doi: 10.48550/arxiv.1905.00647 · pith_short_12: FAOFMHTSDHQM · pith_short_16: FAOFMHTSDHQMIZSX · pith_short_8: FAOFMHTS

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/FAOFMHTSDHQMIZSXTIDUDXHMDO \
  | 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: 281c561e7219e0c466579a0741dcec1b85ffeebd81b92d7bc3c70dfcd07db538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5325e723cb0d318823081a7b906ed0e0bb14051da88a149909c756321a6eeb5",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-05-02T09:54:55Z",
    "title_canon_sha256": "d42aa25da7c145d613bf35badd0afe880dbf66e44eb5f85961f49bcf682b8843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.00647",
    "kind": "arxiv",
    "version": 1
  }
}