Pith Number

pith:D6WZJLQD

pith:2009:D6WZJLQD5UEKAZIJGPKDW4NJ7C

not attested not anchored not stored refs pending

Bimodules and branes in deformation quantization

Andrea Ferrario, Carlo A. Rossi, Damien Calaque, Giovanni Felder

arxiv:0908.2299 v4 · 2009-08-17 · math.QA · 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{D6WZJLQD5UEKAZIJGPKDW4NJ7C}

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	2026-05-18T04:25:28.683154Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fad94ae03ed08a0650933d43b71a9f8bfdee7f6e091362fdf2e1cae04d59ba6

Aliases

arxiv: 0908.2299 · arxiv_version: 0908.2299v4 · doi: 10.48550/arxiv.0908.2299 · pith_short_12: D6WZJLQD5UEK · pith_short_16: D6WZJLQD5UEKAZIJ · pith_short_8: D6WZJLQD

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/D6WZJLQD5UEKAZIJGPKDW4NJ7C \
  | 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: 1fad94ae03ed08a0650933d43b71a9f8bfdee7f6e091362fdf2e1cae04d59ba6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f22199c3ab1f72dc0df869c92a3d58eef2848e87e71dc62c5f1f7c3343dacb80",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2009-08-17T13:21:40Z",
    "title_canon_sha256": "ce11e4f69b4a3986e3e088b171ee9e980c4e1096323e63fcafb2315ac5560cef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2299",
    "kind": "arxiv",
    "version": 4
  }
}