Pith Number

pith:FN43DIIL

pith:2009:FN43DIIL2SQUEBTUBQVHIIRFPS

not attested not anchored not stored refs pending

Multimode non-classical light generation through the OPO threshold

Beno\^it Chalopin (LKB - Jussieu), Claude Fabre (LKB - Jussieu), Francesco Scazza (LKB - Jussieu), Nicolas Treps (LKB - Jussieu)

arxiv:0912.4212 v1 · 2009-12-21 · 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{FN43DIIL2SQUEBTUBQVHIIRFPS}

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	2026-05-18T02:10:14.886184Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b79b1a10bd4a14206740c2a7422257c9910d3a9aa90b6cead9bb21e4527fa52

Aliases

arxiv: 0912.4212 · arxiv_version: 0912.4212v1 · doi: 10.48550/arxiv.0912.4212 · pith_short_12: FN43DIIL2SQU · pith_short_16: FN43DIIL2SQUEBTU · pith_short_8: FN43DIIL

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/FN43DIIL2SQUEBTUBQVHIIRFPS \
  | 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: 2b79b1a10bd4a14206740c2a7422257c9910d3a9aa90b6cead9bb21e4527fa52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c388e745ac0e13fc613a48d75ac904636376f05cef39733e64546e26b3339be0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-21T17:01:17Z",
    "title_canon_sha256": "b4c340ab28911b6c1a2547ad5590a4ddec7c2e38a14ef601ef8d6ce8c420f181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.4212",
    "kind": "arxiv",
    "version": 1
  }
}