Pith Number

pith:G2UAXRYD

pith:2012:G2UAXRYDHXOSFKFC57C5WBHQJW

not attested not anchored not stored refs pending

Imperfect measurements settings: implications on quantum state tomography and entanglement witnesses

Denis Rosset, Jean-Daniel Bancal, Nicolas Gisin, Raphael Ferretti-Sch\"obitz, Yeong-Cherng Liang

arxiv:1203.0911 v2 · 2012-03-05 · 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{G2UAXRYDHXOSFKFC57C5WBHQJW}

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	2026-05-18T03:34:14.191234Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36a80bc7033ddd22a8a2efc5db04f04d9cefc94d05c4604d8c2ede14f8a9d2ca

Aliases

arxiv: 1203.0911 · arxiv_version: 1203.0911v2 · doi: 10.48550/arxiv.1203.0911 · pith_short_12: G2UAXRYDHXOS · pith_short_16: G2UAXRYDHXOSFKFC · pith_short_8: G2UAXRYD

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/G2UAXRYDHXOSFKFC57C5WBHQJW \
  | 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: 36a80bc7033ddd22a8a2efc5db04f04d9cefc94d05c4604d8c2ede14f8a9d2ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fd4ac4dde6012948ffa1338b73fb0c01200f5e7a0ddd67f17145489a00d93c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-03-05T13:37:09Z",
    "title_canon_sha256": "b5750c71a549b8449536efd632648de73e7759bfe3300d396f0940c6ddbefb04"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0911",
    "kind": "arxiv",
    "version": 2
  }
}