Pith Number

pith:OAOFBEXO

pith:2012:OAOFBEXOSZOY3XWCKUNFI2PMCR

not attested not anchored not stored refs pending

Continuous-wave backward frequency doubling in periodically poled lithium niobate

Alessandro C. Busacca, Gaetano Assanto, Luciano Curcio, Roberto L. Oliveri, Salvatore Stivala, Stefano Riva-Sanseverino

arxiv:1209.4288 v1 · 2012-09-19 · 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{OAOFBEXOSZOY3XWCKUNFI2PMCR}

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	2026-05-18T03:45:13.012605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

701c5092ee965d8ddec2551a5469ec146a610b9a0d906734a1f25f80404b298d

Aliases

arxiv: 1209.4288 · arxiv_version: 1209.4288v1 · doi: 10.48550/arxiv.1209.4288 · pith_short_12: OAOFBEXOSZOY · pith_short_16: OAOFBEXOSZOY3XWC · pith_short_8: OAOFBEXO

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/OAOFBEXOSZOY3XWCKUNFI2PMCR \
  | 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: 701c5092ee965d8ddec2551a5469ec146a610b9a0d906734a1f25f80404b298d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "014a5b31040ec710aad64e09ec53e7282e0c7d45b7bbedce7c797db881673eca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-19T15:49:34Z",
    "title_canon_sha256": "75af9ef94a290f59829a64de9c03e2e44e90da3dc544789c0e42eaef466bb347"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.4288",
    "kind": "arxiv",
    "version": 1
  }
}