Pith Number

pith:GD5OHL4A

pith:2009:GD5OHL4A6KZ4ERAYQ5FALB5NNP

not attested not anchored not stored refs pending

Estimating Purity and Entropy in Stabilizer State Experiments

Harald Wunderlich, Martin B. Plenio

arxiv:0907.1848 v1 · 2009-07-10 · 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{GD5OHL4A6KZ4ERAYQ5FALB5NNP}

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	2026-05-18T04:39:39.160659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30fae3af80f2b3c24418874a0587ad6bf7c8ac957b71702528ee49d5d7472f9b

Aliases

arxiv: 0907.1848 · arxiv_version: 0907.1848v1 · doi: 10.48550/arxiv.0907.1848 · pith_short_12: GD5OHL4A6KZ4 · pith_short_16: GD5OHL4A6KZ4ERAY · pith_short_8: GD5OHL4A

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/GD5OHL4A6KZ4ERAYQ5FALB5NNP \
  | 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: 30fae3af80f2b3c24418874a0587ad6bf7c8ac957b71702528ee49d5d7472f9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b103dab366271bf056071e27490f9f346bddea3d309bc62c18debecd06460076",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-07-10T15:35:01Z",
    "title_canon_sha256": "b2cce3393a90fc3eb01cab21f64d0ee643ba82f84bf8437324ba06ddffc99752"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1848",
    "kind": "arxiv",
    "version": 1
  }
}