Pith Number

pith:TSKXZ7AD

pith:2004:TSKXZ7AD2G3L72UDJWREVVGVVY

not attested not anchored not stored refs pending

Twisted Hochschild Homology of Quantum Hyperplanes

Andrzej Sitarz

arxiv:math/0405240 v2 · 2004-05-13 · math.QA · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TSKXZ7AD2G3L72UDJWREVVGVVY}

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.

Receipt and verification

First computed	2026-05-18T00:14:23.478701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c957cfc03d1b6bfea834da24ad4d5ae0b280ddabe9bd65505adf94bded3ec60

Aliases

arxiv: math/0405240 · arxiv_version: math/0405240v2 · doi: 10.48550/arxiv.math/0405240 · pith_short_12: TSKXZ7AD2G3L · pith_short_16: TSKXZ7AD2G3L72UD · pith_short_8: TSKXZ7AD

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/TSKXZ7AD2G3L72UDJWREVVGVVY \
  | 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: 9c957cfc03d1b6bfea834da24ad4d5ae0b280ddabe9bd65505adf94bded3ec60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34be014cc8fdcdc26d515d32eb899eee238c67f4d028681f444317ff002fd813",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.QA",
    "submitted_at": "2004-05-13T17:48:22Z",
    "title_canon_sha256": "d3fc1459c8bbe1fb6fa0d5468615cf523dac515344a18a7e5bb82fff2ebb1ebd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0405240",
    "kind": "arxiv",
    "version": 2
  }
}