Pith Number

pith:RIOLCL7K

pith:2001:RIOLCL7K44IA77MYCFPMRFNQQJ

not attested not anchored not stored refs pending

Violation of multi-particle Bell inequalities for low and high flux parametric amplification using both vacuum and entangled input states

F. De Martini, M. D. Reid, W. J. Munro

arxiv:quant-ph/0104139 v1 · 2001-04-30 · 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{RIOLCL7K44IA77MYCFPMRFNQQJ}

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	2026-07-04T16:28:58.313852Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a1cb12feae7100ffd98115ec895b08242dabb9167d0a803d88f83aa0ce01026

Aliases

arxiv: quant-ph/0104139 · arxiv_version: quant-ph/0104139v1 · doi: 10.48550/arxiv.quant-ph/0104139 · pith_short_12: RIOLCL7K44IA · pith_short_16: RIOLCL7K44IA77MY · pith_short_8: RIOLCL7K

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/RIOLCL7K44IA77MYCFPMRFNQQJ \
  | 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: 8a1cb12feae7100ffd98115ec895b08242dabb9167d0a803d88f83aa0ce01026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f560adf017b7a4042648aff75900af1492d5660fdab5064f1a3beb1ab1e57ae1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2001-04-30T06:15:55Z",
    "title_canon_sha256": "e270b379f56345cae630fe42b06411117f7994a1fb5409b1085d7b041fe55726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0104139",
    "kind": "arxiv",
    "version": 1
  }
}