Pith Number

pith:L3LHSMOW

pith:2015:L3LHSMOWTQACA7BCMIFPJB4IPH

not attested not anchored not stored refs pending

Transparency in nonlinear frequency conversion

Stefano Longhi

arxiv:1511.00578 v2 · 2015-11-02 · 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{L3LHSMOWTQACA7BCMIFPJB4IPH}

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	2026-05-18T01:15:44.230752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ed67931d69c00207c22620af4878879f09c1ded2f26c946a813f5029224229c

Aliases

arxiv: 1511.00578 · arxiv_version: 1511.00578v2 · doi: 10.48550/arxiv.1511.00578 · pith_short_12: L3LHSMOWTQAC · pith_short_16: L3LHSMOWTQACA7BC · pith_short_8: L3LHSMOW

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/L3LHSMOWTQACA7BCMIFPJB4IPH \
  | 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: 5ed67931d69c00207c22620af4878879f09c1ded2f26c946a813f5029224229c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7494fbe62a100ce6b159b1cb94ef3ed4403ebec165cd43cbca793b3b93b93610",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-11-02T16:48:56Z",
    "title_canon_sha256": "dc2e1e90fc1055c84f613a2bfd233f812fb27f1abf4faecbab1b6f09c6f769e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.00578",
    "kind": "arxiv",
    "version": 2
  }
}