Pith Number

pith:Q5PCXZOL

pith:2018:Q5PCXZOLDAKXCPEWWLK7L45LT2

not attested not anchored not stored refs pending

Study of broadband multimode light via non-phase-matched sum frequency generation

Denis A. Kopylov, Kirill Yu. Spasibko, Maria V. Chekhova, Tatiana V. Murzina

arxiv:1810.02760 v1 · 2018-10-05 · quant-ph · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q5PCXZOLDAKXCPEWWLK7L45LT2}

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	2026-05-17T23:45:36.288372Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

875e2be5cb1815713c96b2d5f5f3ab9ebc06bee5fee97e6b080aaf4fca9f4669

Aliases

arxiv: 1810.02760 · arxiv_version: 1810.02760v1 · doi: 10.48550/arxiv.1810.02760 · pith_short_12: Q5PCXZOLDAKX · pith_short_16: Q5PCXZOLDAKXCPEW · pith_short_8: Q5PCXZOL

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/Q5PCXZOLDAKXCPEWWLK7L45LT2 \
  | 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: 875e2be5cb1815713c96b2d5f5f3ab9ebc06bee5fee97e6b080aaf4fca9f4669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f965da04ae29bd47d16209f8b9147a4d018cdd95da01e23d6a95a6418e841f87",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-10-05T15:48:12Z",
    "title_canon_sha256": "67d10152f047c3025201b8b5ba8052fb8b6fb1e1a279bc4489e96de0eabfe20e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.02760",
    "kind": "arxiv",
    "version": 1
  }
}