Pith Number

pith:FIYBAPRN

pith:2002:FIYBAPRNQKF5QC6WVWYMJB3VQ4

not attested not anchored not stored refs pending

Engineering QND measurements for continuous variable quantum information processing

Matteo G A Paris

arxiv:quant-ph/0210022 v1 · 2002-10-03 · 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{FIYBAPRNQKF5QC6WVWYMJB3VQ4}

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	2026-05-18T01:37:59.803128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a30103e2d828bd80bd6adb0c48775872afd6bcbd4f922a475ca1b6ce30c81b9

Aliases

arxiv: quant-ph/0210022 · arxiv_version: quant-ph/0210022v1 · doi: 10.48550/arxiv.quant-ph/0210022 · pith_short_12: FIYBAPRNQKF5 · pith_short_16: FIYBAPRNQKF5QC6W · pith_short_8: FIYBAPRN

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/FIYBAPRNQKF5QC6WVWYMJB3VQ4 \
  | 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: 2a30103e2d828bd80bd6adb0c48775872afd6bcbd4f922a475ca1b6ce30c81b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b87bf36cf831b2ddb1aa81fa15733d806c6db77a68c994863bd3b0bec829be13",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2002-10-03T09:40:05Z",
    "title_canon_sha256": "349fbf2dbce1ee887f3382c373ddb5db0dcb99414ae3de2e8c39e983cea0d5d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0210022",
    "kind": "arxiv",
    "version": 1
  }
}