Pith Number

pith:EGKY4CI2

pith:2006:EGKY4CI2NB7C37BARRMWWSLSA4

not attested not anchored not stored refs pending

Maximal commutative subalgebras, Poisson geometry and Hochschild homology

Tomasz Maszczyk

arxiv:math/0603386 v1 · 2006-03-15 · math.KT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGKY4CI2NB7C37BARRMWWSLSA4}

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	2026-07-04T14:53:59.271878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21958e091a687e2dfc208c596b4972073dcfad0a8968d2a84f2318710e468afb

Aliases

arxiv: math/0603386 · arxiv_version: math/0603386v1 · doi: 10.48550/arxiv.math/0603386 · pith_short_12: EGKY4CI2NB7C · pith_short_16: EGKY4CI2NB7C37BA · pith_short_8: EGKY4CI2

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/EGKY4CI2NB7C37BARRMWWSLSA4 \
  | 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: 21958e091a687e2dfc208c596b4972073dcfad0a8968d2a84f2318710e468afb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4868e534a5d68103b9cd380d0bf4c964338ee7efbe432d123deccabeee61d16f",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.KT",
    "submitted_at": "2006-03-15T22:52:47Z",
    "title_canon_sha256": "9665f0e80bf22341c3b51d81ba145447cd969ff284877169ddb72cd212c7f942"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0603386",
    "kind": "arxiv",
    "version": 1
  }
}