Pith Number

pith:AY6AURB4

pith:2016:AY6AURB4G3F3I6XUFXPUYOEDUI

not attested not anchored not stored refs pending

Two-letter words and a fundamental homomorphism ruling geometric contextuality

Besan\c{c}on, CNRS, France), Michel Planat (Institut FEMTO-ST

arxiv:1605.07118 v1 · 2016-05-20 · quant-ph · math-ph · math.GR · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AY6AURB4G3F3I6XUFXPUYOEDUI}

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	2026-05-18T01:07:56.586913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

063c0a443c36cbb47af42ddf4c3883a2221608794377517bc9b5256c15c842d8

Aliases

arxiv: 1605.07118 · arxiv_version: 1605.07118v1 · doi: 10.48550/arxiv.1605.07118 · pith_short_12: AY6AURB4G3F3 · pith_short_16: AY6AURB4G3F3I6XU · pith_short_8: AY6AURB4

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/AY6AURB4G3F3I6XUFXPUYOEDUI \
  | 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: 063c0a443c36cbb47af42ddf4c3883a2221608794377517bc9b5256c15c842d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf95139ef1245eff3dc62e610c2755dfbd26d59b8574ef332de5c3d1b30b72ba",
    "cross_cats_sorted": [
      "math-ph",
      "math.GR",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-05-20T13:52:53Z",
    "title_canon_sha256": "5a2f23d5bfd02ab52e723f2bfd54a17cc654b12ef043464c78107571188673b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.07118",
    "kind": "arxiv",
    "version": 1
  }
}