Pith Number

pith:2VNTHBNX

pith:2001:2VNTHBNXT4ZZSRAAR7GL7WY42V

not attested not anchored not stored refs pending

Entangled-Photon Generation from Parametric Down-Conversion in Media with Inhomogeneous Nonlinearity

Alexander V. Sergienko, Bahaa E. A. Saleh, Giovanni Di Giuseppe, Malvin C. Teich, Matthew D. Shaw, Mete Atature

arxiv:quant-ph/0112140 v1 · 2001-12-21 · 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{2VNTHBNXT4ZZSRAAR7GL7WY42V}

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	2026-07-05T00:12:39.554806Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d55b3385b79f339944008fccbfdb1cd54e9eec392aad86f32a7c2ffcfdc037a6

Aliases

arxiv: quant-ph/0112140 · arxiv_version: quant-ph/0112140v1 · doi: 10.48550/arxiv.quant-ph/0112140 · pith_short_12: 2VNTHBNXT4ZZ · pith_short_16: 2VNTHBNXT4ZZSRAA · pith_short_8: 2VNTHBNX

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/2VNTHBNXT4ZZSRAAR7GL7WY42V \
  | 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: d55b3385b79f339944008fccbfdb1cd54e9eec392aad86f32a7c2ffcfdc037a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca47c33a729f32409fb0427769d644bd95bb4588bd588bda2b318c7aa9b6140",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-12-21T19:19:09Z",
    "title_canon_sha256": "abb922ae736dd26b4a82815fa11f6c80580f7c343e3c1f196dbb7018f09d2bbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0112140",
    "kind": "arxiv",
    "version": 1
  }
}