Pith Number

pith:WQ63C2AF

pith:2023:WQ63C2AFH77UX3DNWOWS33HM5K

not attested not anchored not stored refs pending

The Topology of Causality

Nicola Pinzani, Stefano Gogioso

arxiv:2303.07148 v2 · 2023-03-13 · quant-ph · cs.LO · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQ63C2AFH77UX3DNWOWS33HM5K}

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	2026-07-05T06:35:26.651138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b43db168053fff4bec6db3ad2dececeab1831e05402ea87fad5dd09d79df1c7a

Aliases

arxiv: 2303.07148 · arxiv_version: 2303.07148v2 · doi: 10.48550/arxiv.2303.07148 · pith_short_12: WQ63C2AFH77U · pith_short_16: WQ63C2AFH77UX3DN · pith_short_8: WQ63C2AF

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/WQ63C2AFH77UX3DNWOWS33HM5K \
  | 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: b43db168053fff4bec6db3ad2dececeab1831e05402ea87fad5dd09d79df1c7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a746caa3b38a0ec1f98d59a6d465b43abfe87e8baa784e6d0f57ee51016f12a",
    "cross_cats_sorted": [
      "cs.LO",
      "math.CT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-03-13T14:20:22Z",
    "title_canon_sha256": "d15338e5ee841972680104d0f270228da653cb48307b81a64096d60fa484ee23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.07148",
    "kind": "arxiv",
    "version": 2
  }
}