Pith Number

pith:QT56ROXF

pith:2015:QT56ROXFWNL72KXRUWTZRCWKVT

not attested not anchored not stored refs pending

A compact iodine-laser operating at 531 nm with stability at the 10$^{-12}$ level and using a coin-sized laser module

Atsushi Onae, Daisuke Akamatsu, Feng-Lei Hong, Hajime Inaba, Kazumoto Hosaka, Masami Yasuda, Sho Okubo, Takehiko Tanabe, Takumi Kobayashi

arxiv:1506.06323 v1 · 2015-06-21 · 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{QT56ROXFWNL72KXRUWTZRCWKVT}

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	2026-05-18T01:18:23.333530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84fbe8bae5b357fd2af1a5a7988acaacda158d79756b13a158cdf2e777765ad1

Aliases

arxiv: 1506.06323 · arxiv_version: 1506.06323v1 · doi: 10.48550/arxiv.1506.06323 · pith_short_12: QT56ROXFWNL7 · pith_short_16: QT56ROXFWNL72KXR · pith_short_8: QT56ROXF

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/QT56ROXFWNL72KXRUWTZRCWKVT \
  | 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: 84fbe8bae5b357fd2af1a5a7988acaacda158d79756b13a158cdf2e777765ad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "daa23dbbcc01bcfab9cfdee8a19c5406d5bf12cb748b3e0a6680ea54550daee4",
    "cross_cats_sorted": [
      "physics.atom-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-06-21T05:16:20Z",
    "title_canon_sha256": "87ff88ff889159097f5bf05fbf7c5f42fcde9ff1e0b8bbde08cdda83f877bbee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06323",
    "kind": "arxiv",
    "version": 1
  }
}