Pith Number

pith:YIUBGTPG

pith:2008:YIUBGTPGTSEAXPTXNL5SCTWWBZ

not attested not anchored not stored refs pending

Experimentally testable state-independent quantum contextuality

Adan Cabello

arxiv:0808.2456 v2 · 2008-08-18 · 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{YIUBGTPGTSEAXPTXNL5SCTWWBZ}

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	2026-07-04T15:46:52.495576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c228134de69c880bbe776afb214ed60e41b445e12bc3a9825a48f1ed651bac42

Aliases

arxiv: 0808.2456 · arxiv_version: 0808.2456v2 · doi: 10.48550/arxiv.0808.2456 · pith_short_12: YIUBGTPGTSEA · pith_short_16: YIUBGTPGTSEAXPTX · pith_short_8: YIUBGTPG

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/YIUBGTPGTSEAXPTXNL5SCTWWBZ \
  | 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: c228134de69c880bbe776afb214ed60e41b445e12bc3a9825a48f1ed651bac42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16df30facee07fba32f50c97bc300e06690bcbcaf321353a144ddd364becc5b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-08-18T19:36:44Z",
    "title_canon_sha256": "ee55f5123b9496518bb376c724e3e9bde3fded8ee33b12a1a54327890a52e5fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.2456",
    "kind": "arxiv",
    "version": 2
  }
}