Pith Number

pith:GHMA7WWS

pith:2015:GHMA7WWSPQ7YIJIUQCKXR63LQT

not attested not anchored not stored refs pending

Categories of relations as models of quantum theory

Chris Heunen (University of Oxford), Sean Tull (University of Oxford)

arxiv:1506.05028 v2 · 2015-06-16 · math.CT · cs.LO · 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{GHMA7WWSPQ7YIJIUQCKXR63LQT}

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	2026-05-18T01:27:45.967463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31d80fdad27c3f842514809578fb6b84fe7a0df66fbcfedaf7413babc666694c

Aliases

arxiv: 1506.05028 · arxiv_version: 1506.05028v2 · doi: 10.48550/arxiv.1506.05028 · pith_short_12: GHMA7WWSPQ7Y · pith_short_16: GHMA7WWSPQ7YIJIU · pith_short_8: GHMA7WWS

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/GHMA7WWSPQ7YIJIUQCKXR63LQT \
  | 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: 31d80fdad27c3f842514809578fb6b84fe7a0df66fbcfedaf7413babc666694c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26feb9eed6659e0f35267fdd6c8dfda71c867958db55c39fac83c8cf174f2955",
    "cross_cats_sorted": [
      "cs.LO",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2015-06-16T16:40:01Z",
    "title_canon_sha256": "5d228302446a395d01949f73db28fa36e8879c25624b93e5430ce4867e21ea34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05028",
    "kind": "arxiv",
    "version": 2
  }
}