Pith Number

pith:TFOCTN4A

pith:2012:TFOCTN4AUTSXAY4TWDVNZWSRQJ

not attested not anchored not stored refs pending

Quantifying Contextuality

A. Grudka, A. W\'ojcik, K. Horodecki, M. Horodecki, P. Horodecki, P. Joshi, R. Horodecki, W. K{\l}obus

arxiv:1209.3745 v3 · 2012-09-17 · 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{TFOCTN4AUTSXAY4TWDVNZWSRQJ}

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	2026-05-18T02:55:11.552760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

995c29b780a4e5706393b0eadcda51826fe38f6eef1c2260f5551b80f6fe4cbc

Aliases

arxiv: 1209.3745 · arxiv_version: 1209.3745v3 · doi: 10.48550/arxiv.1209.3745 · pith_short_12: TFOCTN4AUTSX · pith_short_16: TFOCTN4AUTSXAY4T · pith_short_8: TFOCTN4A

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/TFOCTN4AUTSXAY4TWDVNZWSRQJ \
  | 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: 995c29b780a4e5706393b0eadcda51826fe38f6eef1c2260f5551b80f6fe4cbc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9044e9f55d1aaf92ea3e53e7c0984427dac56324801c4f7bf42b2854506eecea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-09-17T18:42:12Z",
    "title_canon_sha256": "5d527c5175df9d54e67d5445a61b1deabfe13cea1b3d48a91ce0513e9a469048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3745",
    "kind": "arxiv",
    "version": 3
  }
}