Pith Number

pith:ITYWBW4B

pith:2020:ITYWBW4B22FCMQZJYDO7LBRFFK

not attested not anchored not stored refs pending

ZX-Calculus and Extended Hypergraph Rewriting Systems I: A Multiway Approach to Categorical Quantum Information Theory

Jonathan Gorard, Manojna Namuduri, Xerxes D. Arsiwalla

arxiv:2010.02752 v1 · 2020-10-05 · cs.LO · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ITYWBW4B22FCMQZJYDO7LBRFFK}

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	2026-07-05T01:40:53.656359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44f160db81d68a264329c0ddf586252a8bc166acdad70a71bf45cd50572fddb1

Aliases

arxiv: 2010.02752 · arxiv_version: 2010.02752v1 · doi: 10.48550/arxiv.2010.02752 · pith_short_12: ITYWBW4B22FC · pith_short_16: ITYWBW4B22FCMQZJ · pith_short_8: ITYWBW4B

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/ITYWBW4B22FCMQZJYDO7LBRFFK \
  | 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: 44f160db81d68a264329c0ddf586252a8bc166acdad70a71bf45cd50572fddb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ada1af852d5a1b181e0ecf695d0f1033e3d2645f43f73cc239b26579036536a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2020-10-05T15:21:21Z",
    "title_canon_sha256": "2590ccc6b39d5f514484483fc3e415227dcb6aa06519714d8fecb00666eb6643"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.02752",
    "kind": "arxiv",
    "version": 1
  }
}