Pith Number

pith:GVTYUQ5M

pith:2022:GVTYUQ5MW77RY3KOSEB7Q4DVJX

not attested not anchored not stored refs pending

Compact Plug and Play Optical Frequency Reference Device Based on Doppler-Free Spectroscopy of Rubidium Vapor

Aaron Strangfeld, Benjamin Wiegand, Julien Kluge, Markus Krutzik, Matthias Schoch

arxiv:2201.13431 v2 · 2022-01-31 · physics.optics · physics.atom-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GVTYUQ5MW77RY3KOSEB7Q4DVJX}

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	2026-07-05T04:11:55.509671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35678a43acb7ff1c6d4e9103f870754df88c38f265f5a1079c19ef867fc2aa2d

Aliases

arxiv: 2201.13431 · arxiv_version: 2201.13431v2 · doi: 10.48550/arxiv.2201.13431 · pith_short_12: GVTYUQ5MW77R · pith_short_16: GVTYUQ5MW77RY3KO · pith_short_8: GVTYUQ5M

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/GVTYUQ5MW77RY3KOSEB7Q4DVJX \
  | 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: 35678a43acb7ff1c6d4e9103f870754df88c38f265f5a1079c19ef867fc2aa2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc128aadca0d2fb58a6b967eb3ab756b970b8a1c879c90902dcc806e86006849",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-01-31T18:43:06Z",
    "title_canon_sha256": "6b4cd4fac8c712adbbd76e3707f39abea47e97ee0a6c81959a4ea8bca880c0c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.13431",
    "kind": "arxiv",
    "version": 2
  }
}