Pith Number

pith:SW7EU4N3

pith:2014:SW7EU4N3DWQMXOASGAEB7RJDCQ

not attested not anchored not stored refs pending

Unsharp eigenvalues and quantum contextuality

F. De Zela

arxiv:1410.0409 v1 · 2014-10-01 · 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{SW7EU4N3DWQMXOASGAEB7RJDCQ}

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	2026-05-18T02:41:16.481974Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95be4a71bb1da0cbb81230081fc5231437f82ff206233e300e2a5ee76d0de263

Aliases

arxiv: 1410.0409 · arxiv_version: 1410.0409v1 · doi: 10.48550/arxiv.1410.0409 · pith_short_12: SW7EU4N3DWQM · pith_short_16: SW7EU4N3DWQMXOAS · pith_short_8: SW7EU4N3

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/SW7EU4N3DWQMXOASGAEB7RJDCQ \
  | 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: 95be4a71bb1da0cbb81230081fc5231437f82ff206233e300e2a5ee76d0de263

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "758b78decf34f1c6654fedb78b760475f7265b6ad2c5c7d356200afc2706acab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-10-01T23:04:33Z",
    "title_canon_sha256": "7ddb7af69f64d62b9f47eab0167ae41ede1d3101ac955933618c9be32341cda2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.0409",
    "kind": "arxiv",
    "version": 1
  }
}