Pith Number

pith:Q7HNOA72

pith:2018:Q7HNOA72G2JN7UJCXFI5UGUR6W

not attested not anchored not stored refs pending

An open and flexible digital phase-locked loop for optical metrology

Alex Tourigny-Plante, Hugo Bergeron, Jean-Daniel Desch\^enes, J\'er\^ome Genest, Nicolas Bourbeau-H\'ebert, Vincent Michaud-Belleau

arxiv:1804.01028 v2 · 2018-04-03 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7HNOA72G2JN7UJCXFI5UGUR6W}

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	2026-05-17T23:41:18.115685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87ced703fa3692dfd122b951da1a91f58b1049a5a95966b69b86870480c27cc2

Aliases

arxiv: 1804.01028 · arxiv_version: 1804.01028v2 · doi: 10.48550/arxiv.1804.01028 · pith_short_12: Q7HNOA72G2JN · pith_short_16: Q7HNOA72G2JN7UJC · pith_short_8: Q7HNOA72

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/Q7HNOA72G2JN7UJCXFI5UGUR6W \
  | 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: 87ced703fa3692dfd122b951da1a91f58b1049a5a95966b69b86870480c27cc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7de83161ee98759f399c10dd1afc61526ab25a55a40c19affa4d05a425149a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-04-03T15:16:43Z",
    "title_canon_sha256": "f77b2e4f514d220c4d3f5f4ca32994d0a966b2d0219f935923de0bd0df68cc1d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01028",
    "kind": "arxiv",
    "version": 2
  }
}