Pith Number

pith:C4JUSRWC

pith:2010:C4JUSRWCB4LE7QHI7E35JSQFCF

not attested not anchored not stored refs pending

A note on the Koszul complex in deformation quantization

Andrea Ferrario, Carlo A. Rossi, Thomas Willwacher

arxiv:1002.2561 v3 · 2010-02-12 · 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{C4JUSRWCB4LE7QHI7E35JSQFCF}

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	2026-05-18T04:32:19.482690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17134946c20f164fc0e8f937d4ca05117903d101c4f34a43fb005802e753d1bd

Aliases

arxiv: 1002.2561 · arxiv_version: 1002.2561v3 · doi: 10.48550/arxiv.1002.2561 · pith_short_12: C4JUSRWCB4LE · pith_short_16: C4JUSRWCB4LE7QHI · pith_short_8: C4JUSRWC

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/C4JUSRWCB4LE7QHI7E35JSQFCF \
  | 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: 17134946c20f164fc0e8f937d4ca05117903d101c4f34a43fb005802e753d1bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e59b1c476081a48f653072135f86546328905aabb326cbe76ddcbe20d09ba362",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2010-02-12T14:15:46Z",
    "title_canon_sha256": "072b99593ac133684ca0588738c2bdb82f1e5e050274b34bbc71f893c036e2de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2561",
    "kind": "arxiv",
    "version": 3
  }
}