Pith Number

pith:C4VUQ77T

pith:2022:C4VUQ77TX5EXRRZS3K5TYWT4ZC

not attested not anchored not stored refs pending

Topological aspects in nonlinear optical frequency conversion

Stefano Longhi

arxiv:2210.11526 v1 · 2022-10-20 · physics.optics · cond-mat.str-el · 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{C4VUQ77TX5EXRRZS3K5TYWT4ZC}

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	2026-07-05T05:18:41.462043Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

172b487ff3bf4978c732dabb3c5a7cc89dbd883fb3431202802555278507487e

Aliases

arxiv: 2210.11526 · arxiv_version: 2210.11526v1 · doi: 10.48550/arxiv.2210.11526 · pith_short_12: C4VUQ77TX5EX · pith_short_16: C4VUQ77TX5EXRRZS · pith_short_8: C4VUQ77T

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/C4VUQ77TX5EXRRZS3K5TYWT4ZC \
  | 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: 172b487ff3bf4978c732dabb3c5a7cc89dbd883fb3431202802555278507487e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "55866e1acf89683607d71791d1a2b7cbfcf0caaddae4be7097dd64438058faf3",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-10-20T18:54:20Z",
    "title_canon_sha256": "32fcad182de9d5b87a44fb7ac210eb2d61cce3bfcc4999a06e66ee76d8633e56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.11526",
    "kind": "arxiv",
    "version": 1
  }
}