Pith Number

pith:7WS2QBIO

pith:2013:7WS2QBIOLOPGWRFY3KBWSJTHX6

not attested not anchored not stored refs pending

Presheaf models of quantum computation: an outline

Octavio Malherbe, Peter Selinger, Philip Scott

arxiv:1302.5652 v1 · 2013-02-22 · 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{7WS2QBIOLOPGWRFY3KBWSJTHX6}

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	2026-05-18T03:19:13.143695Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fda5a8050e5b9e6b44b8da83692667bf8dd931305dab45cf12e1b83e4d0f864a

Aliases

arxiv: 1302.5652 · arxiv_version: 1302.5652v1 · doi: 10.48550/arxiv.1302.5652 · pith_short_12: 7WS2QBIOLOPG · pith_short_16: 7WS2QBIOLOPGWRFY · pith_short_8: 7WS2QBIO

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/7WS2QBIOLOPGWRFY3KBWSJTHX6 \
  | 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: fda5a8050e5b9e6b44b8da83692667bf8dd931305dab45cf12e1b83e4d0f864a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a970148bfe920c5cc3460a40eea44cc84b0b73259f4190549b8c70e1dc99b5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-02-22T17:26:46Z",
    "title_canon_sha256": "ee4fef548ae20366fc816b7bf0161b8c77b08adeca4537d8038b82b246f25a94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.5652",
    "kind": "arxiv",
    "version": 1
  }
}