Pith Number

pith:MHRC5D7G

pith:2012:MHRC5D7GPC4GGZ2UMPAYDKIZTR

not attested not anchored not stored refs pending

Finite dimensional Hilbert spaces are complete for dagger compact closed categories

Canada), Peter Selinger (Dalhousie University

arxiv:1207.6972 v2 · 2012-07-30 · math.CT · 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{MHRC5D7GPC4GGZ2UMPAYDKIZTR}

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	2026-05-18T01:37:38.633946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61e22e8fe678b863675463c181a9199c733c3b7c26e66694d8ace33707a1db65

Aliases

arxiv: 1207.6972 · arxiv_version: 1207.6972v2 · doi: 10.48550/arxiv.1207.6972 · pith_short_12: MHRC5D7GPC4G · pith_short_16: MHRC5D7GPC4GGZ2U · pith_short_8: MHRC5D7G

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/MHRC5D7GPC4GGZ2UMPAYDKIZTR \
  | 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: 61e22e8fe678b863675463c181a9199c733c3b7c26e66694d8ace33707a1db65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b9a8db6845255df848d02c6715409890a10e21d3f1aefafd88658d2f76a7bc9",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2012-07-30T15:42:14Z",
    "title_canon_sha256": "1b907aebe407c94df8b9a40cf7a3a9d2c4867b940e74b9505540320692641604"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6972",
    "kind": "arxiv",
    "version": 2
  }
}