Pith Number

pith:XFPQZYHZ

pith:2015:XFPQZYHZM5DHAGE4ERQ5P453OG

not attested not anchored not stored refs pending

Negative Probabilities and Contextuality

Gary Oas, J. Acacio de Barros, Janne Kujala

arxiv:1511.02823 v1 · 2015-11-09 · physics.data-an · 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{XFPQZYHZM5DHAGE4ERQ5P453OG}

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	2026-05-18T01:27:29.253289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b95f0ce0f9674670189c2461d7f3bb718b461d210f019c2da158ff151818f879

Aliases

arxiv: 1511.02823 · arxiv_version: 1511.02823v1 · doi: 10.48550/arxiv.1511.02823 · pith_short_12: XFPQZYHZM5DH · pith_short_16: XFPQZYHZM5DHAGE4 · pith_short_8: XFPQZYHZ

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/XFPQZYHZM5DHAGE4ERQ5P453OG \
  | 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: b95f0ce0f9674670189c2461d7f3bb718b461d210f019c2da158ff151818f879

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78d1e073c43e4a795e8293055cf8ae6c7a3d8cfb37e25239ca91558df84af80d",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2015-11-09T20:10:18Z",
    "title_canon_sha256": "d893b8426a6d9d729ca5fc909d44169d7b6761e1d909bd43c7bf851371f3cfcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.02823",
    "kind": "arxiv",
    "version": 1
  }
}