Pith Number

pith:SCIN77S2

pith:2010:SCIN77S2ECKGHJO5YP24ETOJBK

not attested not anchored not stored refs pending

Memory cost of quantum contextuality

Ad\'an Cabello, Jan-{\AA}ke Larsson, Jos\'e R. Portillo, Matthias Kleinmann, Otfried G\"uhne

arxiv:1007.3650 v2 · 2010-07-21 · 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{SCIN77S2ECKGHJO5YP24ETOJBK}

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	2026-05-18T04:08:44.842683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9090dffe5a209463a5ddc3f5c24dc90a9185b861673a15b0ae56da3890898285

Aliases

arxiv: 1007.3650 · arxiv_version: 1007.3650v2 · doi: 10.48550/arxiv.1007.3650 · pith_short_12: SCIN77S2ECKG · pith_short_16: SCIN77S2ECKGHJO5 · pith_short_8: SCIN77S2

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/SCIN77S2ECKGHJO5YP24ETOJBK \
  | 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: 9090dffe5a209463a5ddc3f5c24dc90a9185b861673a15b0ae56da3890898285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e3b82fbfa9efa9dacf8b61cb1abbbbf9835873475bd3820b95d7fb1a831a10f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-07-21T13:22:39Z",
    "title_canon_sha256": "1751a2a8514233c4c4c5c3c37baebe0186bf757767b5d71324dff29e4b5c5b8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3650",
    "kind": "arxiv",
    "version": 2
  }
}