Pith Number

pith:NUUAVGVN

pith:2021:NUUAVGVNZF3FVZVDFUYSDE6TNE

not attested not anchored not stored refs pending

Simple phase noise measurement scheme for cavity-stabilized laser systems

Akira Ozawa, Fabian Schmid, Johannes Weitenberg, Theodor W. H\"ansch, Thomas Udem

arxiv:2102.07422 v1 · 2021-02-15 · physics.optics · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUUAVGVNZF3FVZVDFUYSDE6TNE}

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	2026-07-05T02:15:15.640431Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d280a9aadc9765ae6a32d312193d3692320606abe17176a0be7af9c683eaac6

Aliases

arxiv: 2102.07422 · arxiv_version: 2102.07422v1 · doi: 10.48550/arxiv.2102.07422 · pith_short_12: NUUAVGVNZF3F · pith_short_16: NUUAVGVNZF3FVZVD · pith_short_8: NUUAVGVN

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/NUUAVGVNZF3FVZVDFUYSDE6TNE \
  | 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: 6d280a9aadc9765ae6a32d312193d3692320606abe17176a0be7af9c683eaac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "002f52f48c3b81f36a257f1051e36380e0daeeacc8ab802f725e4629798acd85",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-02-15T09:56:50Z",
    "title_canon_sha256": "907a985c4e779b79659be398007f61f01b539f80bacc44ca80bdd01c430d70f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.07422",
    "kind": "arxiv",
    "version": 1
  }
}