Pith Number

pith:DMEMCGCE

pith:2004:DMEMCGCEWQKOLUXM6ZW34UAHCJ

not attested not anchored not stored refs pending

Quantum Quandaries: a Category-Theoretic Perspective

John C. Baez

arxiv:quant-ph/0404040 v2 · 2004-04-07 · quant-ph · gr-qc · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DMEMCGCEWQKOLUXM6ZW34UAHCJ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

1 paper in Pith

Strongly Coupled Quantum Field Theory in Anti-de Sitter Spacetime

Receipt and verification

First computed	2026-05-17T23:48:53.381532Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b08c11844b414e5d2ecf66dbe50071269a571de802a546d97056b2331d781a1

Aliases

arxiv: quant-ph/0404040 · arxiv_version: quant-ph/0404040v2 · doi: 10.48550/arxiv.quant-ph/0404040 · pith_short_12: DMEMCGCEWQKO · pith_short_16: DMEMCGCEWQKOLUXM · pith_short_8: DMEMCGCE

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/DMEMCGCEWQKOLUXM6ZW34UAHCJ \
  | 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: 1b08c11844b414e5d2ecf66dbe50071269a571de802a546d97056b2331d781a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0de144ecd13ec1c4fc2dc30cd30738eb6a146d84c1a14fa483bf9c348c5ee466",
    "cross_cats_sorted": [
      "gr-qc",
      "math.QA"
    ],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-04-07T01:45:56Z",
    "title_canon_sha256": "e23456826400769c64766550d43c6cd0f1503108dd0cd8cfa04f3f7b0ff18e8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0404040",
    "kind": "arxiv",
    "version": 2
  }
}