Pith Number

pith:TEIUAXJA

pith:2012:TEIUAXJAQHZUMLGVJ54W22ILW4

not attested not anchored not stored refs pending

A Generalization of Kochen-Specker Sets Relates Quantum Coloring to Entanglement-Assisted Channel Capacity

Giannicola Scarpa, Laura Mancinska, Simone Severini

arxiv:1207.1111 v2 · 2012-07-04 · quant-ph · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TEIUAXJAQHZUMLGVJ54W22ILW4}

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	2026-05-18T03:17:46.936951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9911405d2081f3462cd54f796d690bb724aa53338631d360f73f94fd0c50d252

Aliases

arxiv: 1207.1111 · arxiv_version: 1207.1111v2 · doi: 10.48550/arxiv.1207.1111 · pith_short_12: TEIUAXJAQHZU · pith_short_16: TEIUAXJAQHZUMLGV · pith_short_8: TEIUAXJA

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/TEIUAXJAQHZUMLGVJ54W22ILW4 \
  | 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: 9911405d2081f3462cd54f796d690bb724aa53338631d360f73f94fd0c50d252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2d4f7f3e890d4da73b5d1be653fc974a007225d8c90d3642473b1d5657b8eba",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-04T20:05:00Z",
    "title_canon_sha256": "d08c14ed66f6479df37a93d0bcb5f7801fd22946ccd13ba2d86173c6f98ceab5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1111",
    "kind": "arxiv",
    "version": 2
  }
}