Pith Number

pith:E4LIB7MY

pith:2015:E4LIB7MYXFATNV3QLQXMJU3EK4

not attested not anchored not stored refs pending

Graph-theoretic strengths of contextuality

Nadish de Silva

arxiv:1512.05048 v3 · 2015-12-16 · 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{E4LIB7MYXFATNV3QLQXMJU3EK4}

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	2026-05-18T00:47:51.118111Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

271680fd98b94136d7705c2ec4d36457140aef22f19f90ee3155d285d1b59ed8

Aliases

arxiv: 1512.05048 · arxiv_version: 1512.05048v3 · doi: 10.48550/arxiv.1512.05048 · pith_short_12: E4LIB7MYXFAT · pith_short_16: E4LIB7MYXFATNV3Q · pith_short_8: E4LIB7MY

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/E4LIB7MYXFATNV3QLQXMJU3EK4 \
  | 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: 271680fd98b94136d7705c2ec4d36457140aef22f19f90ee3155d285d1b59ed8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3044a4bfe9e45d536d02d75795b6b140cb4f3215b5c1a3e1f7c40ed627a07103",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-16T04:44:48Z",
    "title_canon_sha256": "43b5450dfd7e69ae6a6f7d699bb11854ba75e9a15c2c1f8de172b98bf714ac46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.05048",
    "kind": "arxiv",
    "version": 3
  }
}