Pith Number

pith:WCWDCGRA

pith:2005:WCWDCGRAIHTKRQJ3OYQCZWKVHO

not attested not anchored not stored refs pending

Observation of triply coincident nonlinearities in periodically poled KTiOPO4

Olivier Pfister, Raphael C. Pooser

arxiv:quant-ph/0505130 v1 · 2005-05-17 · 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{WCWDCGRAIHTKRQJ3OYQCZWKVHO}

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	2026-07-04T16:57:34.731132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0ac311a2041e6a8c13b76202cd9553b823e7976baa949206093b196f0c81305

Aliases

arxiv: quant-ph/0505130 · arxiv_version: quant-ph/0505130v1 · doi: 10.48550/arxiv.quant-ph/0505130 · pith_short_12: WCWDCGRAIHTK · pith_short_16: WCWDCGRAIHTKRQJ3 · pith_short_8: WCWDCGRA

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/WCWDCGRAIHTKRQJ3OYQCZWKVHO \
  | 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: b0ac311a2041e6a8c13b76202cd9553b823e7976baa949206093b196f0c81305

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f957f2d978d223857282325dc54db2d1c583f316319f38653fe60122c80ed1d8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-05-17T16:40:44Z",
    "title_canon_sha256": "9db8342ff17b21254d8e508ea5003897711d102026b7d86095c380abae507bb3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0505130",
    "kind": "arxiv",
    "version": 1
  }
}