Pith Number

pith:7JHCIFX2

pith:2003:7JHCIFX2ECJ3TUFEMVWYY5SD2O

not attested not anchored not stored refs pending

Non-linear and quantum optics of a type II OPO containing a birefringent element Part 2 : bright entangled beams generation

Claude Fabre, Julien Laurat, Laurent Longchambon, Thomas Coudreau

arxiv:quant-ph/0311123 v2 · 2003-11-19 · 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{7JHCIFX2ECJ3TUFEMVWYY5SD2O}

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	2026-07-04T14:46:27.537499Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa4e2416fa2093b9d0a4656d8c7643d3bf76fd2fc03364d3a655a0529c0707a9

Aliases

arxiv: quant-ph/0311123 · arxiv_version: quant-ph/0311123v2 · doi: 10.48550/arxiv.quant-ph/0311123 · pith_short_12: 7JHCIFX2ECJ3 · pith_short_16: 7JHCIFX2ECJ3TUFE · pith_short_8: 7JHCIFX2

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/7JHCIFX2ECJ3TUFEMVWYY5SD2O \
  | 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: fa4e2416fa2093b9d0a4656d8c7643d3bf76fd2fc03364d3a655a0529c0707a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a349e882de1a70d9147e44f7fb9092c8dd8e5b94c09f6a8ffc0a28da16713854",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2003-11-19T07:53:58Z",
    "title_canon_sha256": "d291dd229941fd015e82aa9b2667fb7cf31d58596bc4b06689255f83af7ac83f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0311123",
    "kind": "arxiv",
    "version": 2
  }
}