Pith Number

pith:VMDCKCVU

pith:2002:VMDCKCVUVODM4XR7GSJVBA4PS3

not attested not anchored not stored refs pending

Does Excess Quantum Noise Exist in Spontaneous Processes?

A. Aiello, G. Nienhuis, J. P. Woerdman, M. P. van Exter

arxiv:quant-ph/0206042 v1 · 2002-06-07 · 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{VMDCKCVUVODM4XR7GSJVBA4PS3}

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	2026-07-04T16:36:05.488841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab06250ab4ab86ce5e3f349350838f96cdf6acfef90d1fefb57a498eee444608

Aliases

arxiv: quant-ph/0206042 · arxiv_version: quant-ph/0206042v1 · doi: 10.48550/arxiv.quant-ph/0206042 · pith_short_12: VMDCKCVUVODM · pith_short_16: VMDCKCVUVODM4XR7 · pith_short_8: VMDCKCVU

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/VMDCKCVUVODM4XR7GSJVBA4PS3 \
  | 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: ab06250ab4ab86ce5e3f349350838f96cdf6acfef90d1fefb57a498eee444608

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f11b133073a55caafbfa7bf9cc506fe537add5ba857a18bcdbf70089148358ba",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-06-07T14:00:53Z",
    "title_canon_sha256": "e346ca1c2572e9e8fd7aa83d5585b85adbd70b063ed718eb2cb8e78fad8304e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0206042",
    "kind": "arxiv",
    "version": 1
  }
}