Pith Number

pith:ECDIZ562

pith:2009:ECDIZ562RLSHS7WKNCDV737JTG

not attested not anchored not stored refs pending

Waveguide-based OPO source of entangled photon pairs

Abu Thomas, Bruno Sanguinetti, Enrico Pomarico, Gerhard Schreiber, Hugo Zbinden, Nicolas Gisin, Robert Thew, Wolfgang Sohler

arxiv:0909.1208 v1 · 2009-09-07 · 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{ECDIZ562RLSHS7WKNCDV737JTG}

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	2026-05-18T03:32:45.852330Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20868cf7da8ae4797eca68875fefe999a92ef650c0e45de49a9586a34abc5e73

Aliases

arxiv: 0909.1208 · arxiv_version: 0909.1208v1 · doi: 10.48550/arxiv.0909.1208 · pith_short_12: ECDIZ562RLSH · pith_short_16: ECDIZ562RLSHS7WK · pith_short_8: ECDIZ562

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/ECDIZ562RLSHS7WKNCDV737JTG \
  | 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: 20868cf7da8ae4797eca68875fefe999a92ef650c0e45de49a9586a34abc5e73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "135cf6eb2f9266fe512ea120e28c50987c1ffb9ca04451360c200acfb6fd7ef4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-07T10:44:42Z",
    "title_canon_sha256": "ab7c04c16d88d2b0f437d32289678d37435e49b45e0551d44ab4b191408abca0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.1208",
    "kind": "arxiv",
    "version": 1
  }
}