Pith Number

pith:NPLHXB64

pith:2019:NPLHXB643J3DYRONSMJ5OBAKEK

not attested not anchored not stored refs pending

A circuit for precise random frequency synthesis via a frequency locked loop

Mario Stip\v{c}evi\'c

arxiv:1902.09656 v1 · 2019-02-25 · 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{NPLHXB643J3DYRONSMJ5OBAKEK}

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	2026-05-17T23:52:35.645239Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6bd67b87dcda763c45cd9313d7040a22af409bce2b568f31108c03439b85a248

Aliases

arxiv: 1902.09656 · arxiv_version: 1902.09656v1 · doi: 10.48550/arxiv.1902.09656 · pith_short_12: NPLHXB643J3D · pith_short_16: NPLHXB643J3DYRON · pith_short_8: NPLHXB64

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/NPLHXB643J3DYRONSMJ5OBAKEK \
  | 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: 6bd67b87dcda763c45cd9313d7040a22af409bce2b568f31108c03439b85a248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5877a8c5ca41d2a0009d16e820b53cc12dbbede60d9c7d8342a17068dbf9b9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-25T23:13:13Z",
    "title_canon_sha256": "1e34ca54996f96699359d2ece979730bd1ddc11a2071e384a338041119d6a224"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09656",
    "kind": "arxiv",
    "version": 1
  }
}