Pith Number

pith:3B6VP22K

pith:2011:3B6VP22K6MVELQAFN57LEZSH5N

not attested not anchored not stored refs pending

Fr\'echet algebraic deformation quantization of the Poincar\'e disk

Stefan Waldmann, Svea Beiser

arxiv:1108.2004 v3 · 2011-08-09 · math.QA · math-ph · math.FA · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3B6VP22K6MVELQAFN57LEZSH5N}

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	2026-05-18T04:04:18.915766Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87d57eb4af32a45c0056f7eb26647eb43fa28da1119b81ba013e8d063beabca

Aliases

arxiv: 1108.2004 · arxiv_version: 1108.2004v3 · doi: 10.48550/arxiv.1108.2004 · pith_short_12: 3B6VP22K6MVE · pith_short_16: 3B6VP22K6MVELQAF · pith_short_8: 3B6VP22K

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/3B6VP22K6MVELQAFN57LEZSH5N \
  | 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: d87d57eb4af32a45c0056f7eb26647eb43fa28da1119b81ba013e8d063beabca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b740736966ca4aa3d84b2780304d8fa1365520bf31e338027911583d40f09f",
    "cross_cats_sorted": [
      "math-ph",
      "math.FA",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2011-08-09T18:29:59Z",
    "title_canon_sha256": "ca6c831fee3055cee9d4393464584df412cab2997dddcc7fd7e4eaafbf058b06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2004",
    "kind": "arxiv",
    "version": 3
  }
}