Pith Number

pith:AGROV5DJ

pith:2018:AGROV5DJENKYZ4PNGCBU7CZLBH

not attested not anchored not stored refs pending

Towards a complete cohomology invariant for non-locality and contextuality

Giovanni Car\`u

arxiv:1807.04203 v1 · 2018-07-11 · 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{AGROV5DJENKYZ4PNGCBU7CZLBH}

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	2026-05-18T00:10:57.586882Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01a2eaf46923558cf1ed30834f8b2b09ec596337b21895aa3f9d56dc5d09ad2b

Aliases

arxiv: 1807.04203 · arxiv_version: 1807.04203v1 · doi: 10.48550/arxiv.1807.04203 · pith_short_12: AGROV5DJENKY · pith_short_16: AGROV5DJENKYZ4PN · pith_short_8: AGROV5DJ

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/AGROV5DJENKYZ4PNGCBU7CZLBH \
  | 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: 01a2eaf46923558cf1ed30834f8b2b09ec596337b21895aa3f9d56dc5d09ad2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3dbe2bb4c8ed9c765cb7850b6c1cd710642379022248afa54e815400d4d199c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-11T15:40:57Z",
    "title_canon_sha256": "880ea60ccdb21bd550df5c60c283854db52310078aa91d587ee1e48249bb381f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04203",
    "kind": "arxiv",
    "version": 1
  }
}