Pith Number

pith:S4U7VCVO

pith:2001:S4U7VCVOA3F4A4D65N6ZUD25RZ

not attested not anchored not stored refs pending

Ellipsometric measurements by use of photon pairs generated by spontaneous parametric down-conversion

Alexander V. Sergienko, Ayman F. Abouraddy, Bahaa E. A. Saleh, Jr., Kimani C. Toussaint, Malvin C. Teich

arxiv:quant-ph/0110085 v1 · 2001-10-12 · 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{S4U7VCVOA3F4A4D65N6ZUD25RZ}

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	2026-05-18T03:47:09.345008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9729fa8aae06cbc0707eeb7d9a0f5d8e7a4b30a1a45672d81a4a1fd204dc81e0

Aliases

arxiv: quant-ph/0110085 · arxiv_version: quant-ph/0110085v1 · doi: 10.48550/arxiv.quant-ph/0110085 · pith_short_12: S4U7VCVOA3F4 · pith_short_16: S4U7VCVOA3F4A4D6 · pith_short_8: S4U7VCVO

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/S4U7VCVOA3F4A4D65N6ZUD25RZ \
  | 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: 9729fa8aae06cbc0707eeb7d9a0f5d8e7a4b30a1a45672d81a4a1fd204dc81e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "488546993dc771cbedc531c9aa32822abc82a5a0481a86c33d16434a76df19a7",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-10-12T19:11:02Z",
    "title_canon_sha256": "7844ccaf515cf9f115c790d79742fea0e6aa6255beca275b2720f64cb9f606e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0110085",
    "kind": "arxiv",
    "version": 1
  }
}