Pith Number

pith:4CFPAR3Y

pith:2010:4CFPAR3YJINRPAOFP54OJOQAFW

not attested not anchored not stored refs pending

How orthogonalities set Kochen-Specker sets

Kate Blanchfield

arxiv:1008.4453 v1 · 2010-08-26 · 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{4CFPAR3YJINRPAOFP54OJOQAFW}

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	2026-05-18T02:05:42.564620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e08af047784a1b1781c57f78e4ba002d86c3b3d4196733d04c752e71e8e7e0f4

Aliases

arxiv: 1008.4453 · arxiv_version: 1008.4453v1 · doi: 10.48550/arxiv.1008.4453 · pith_short_12: 4CFPAR3YJINR · pith_short_16: 4CFPAR3YJINRPAOF · pith_short_8: 4CFPAR3Y

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/4CFPAR3YJINRPAOFP54OJOQAFW \
  | 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: e08af047784a1b1781c57f78e4ba002d86c3b3d4196733d04c752e71e8e7e0f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "490e45450da20a9af815e695049cd3105bf55062f48363dcba110296b9d84b72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-08-26T08:21:46Z",
    "title_canon_sha256": "325043f58dba07abbebe527e8236eb3c07322f1125b5bc087f100af524bfe37a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.4453",
    "kind": "arxiv",
    "version": 1
  }
}