Pith Number

pith:YXYEFH4J

pith:2019:YXYEFH4JPUMF33PNHNO7BLF6HM

not attested not anchored not stored refs pending

Optical Frequency Comb Noise Characterization Using Machine Learning

Darko Zibar, Giovanni Brajato, Lars Lundberg, Victor Torres-Company

arxiv:1904.11951 v1 · 2019-04-23 · eess.SP · physics.optics · quant-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{YXYEFH4JPUMF33PNHNO7BLF6HM}

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	2026-05-17T23:47:40.534613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5f0429f897d185deded3b5df0acbe3b038419076fbeb70e80ad3b9156a4cc2b

Aliases

arxiv: 1904.11951 · arxiv_version: 1904.11951v1 · doi: 10.48550/arxiv.1904.11951 · pith_short_12: YXYEFH4JPUMF · pith_short_16: YXYEFH4JPUMF33PN · pith_short_8: YXYEFH4J

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/YXYEFH4JPUMF33PNHNO7BLF6HM \
  | 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: c5f0429f897d185deded3b5df0acbe3b038419076fbeb70e80ad3b9156a4cc2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "925e2d690b525f5496980ce7657d5761b2341ef251947f26fa724942b214b5de",
    "cross_cats_sorted": [
      "physics.optics",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-04-23T07:36:44Z",
    "title_canon_sha256": "15575d3d3ebe0c70de7bec5cef889b183f58bb3761e3811c4b18f8a114903cab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.11951",
    "kind": "arxiv",
    "version": 1
  }
}