Pith Number

pith:QQI6TZT7

pith:2011:QQI6TZT74SSCC4NJJ5XBU7O5GB

not attested not anchored not stored refs pending

Entanglement and mixedness in open systems with continuous variables

Aurelian Isar

arxiv:1102.3609 v1 · 2011-02-17 · 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{QQI6TZT74SSCC4NJJ5XBU7O5GB}

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	2026-05-18T04:28:28.752005Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8411e9e67fe4a42171a94f6e1a7ddd306ab3a805250a5db3e2a8ed84436e1b50

Aliases

arxiv: 1102.3609 · arxiv_version: 1102.3609v1 · doi: 10.48550/arxiv.1102.3609 · pith_short_12: QQI6TZT74SSC · pith_short_16: QQI6TZT74SSCC4NJ · pith_short_8: QQI6TZT7

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/QQI6TZT74SSCC4NJJ5XBU7O5GB \
  | 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: 8411e9e67fe4a42171a94f6e1a7ddd306ab3a805250a5db3e2a8ed84436e1b50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ff809321376a9d866ac9c57313a5c43b02c03fdec2ed1e0594322bdcd8150f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-02-17T15:34:55Z",
    "title_canon_sha256": "d3b01693143d736324ddc10ee73a2d43a28b1ed5f0b52c4589f721d90235e061"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3609",
    "kind": "arxiv",
    "version": 1
  }
}