Pith Number

pith:2BG42YO4

pith:2009:2BG42YO4FMS2NJDXB5UI4TNOQ2

not attested not anchored not stored refs pending

Positivity in Rieffel's strict deformation quantization

Stefan Waldmann

arxiv:0909.2809 v1 · 2009-09-15 · math-ph · 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{2BG42YO4FMS2NJDXB5UI4TNOQ2}

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	2026-05-18T00:37:23.253351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d04dcd61dc2b25a6a4770f688e4dae86aef55d09d30c0b70d09d5945ff2b39ae

Aliases

arxiv: 0909.2809 · arxiv_version: 0909.2809v1 · doi: 10.48550/arxiv.0909.2809 · pith_short_12: 2BG42YO4FMS2 · pith_short_16: 2BG42YO4FMS2NJDX · pith_short_8: 2BG42YO4

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/2BG42YO4FMS2NJDXB5UI4TNOQ2 \
  | 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: d04dcd61dc2b25a6a4770f688e4dae86aef55d09d30c0b70d09d5945ff2b39ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3bf96ba38e4479ec158437c783a4d2f7e2111a0930aa9a6fd6cc0508f3368a4",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-09-15T14:14:19Z",
    "title_canon_sha256": "c8f8be7f8e10b74491e8104d82cc6b1bac3e093a804fd667753737bed1a8da58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2809",
    "kind": "arxiv",
    "version": 1
  }
}