Pith Number

pith:5NUYKOYZ

pith:2008:5NUYKOYZ5JRW2UPMPWRX5K5UA6

not attested not anchored not stored refs pending

An $L_\infty$ algebra structure on polyvector fields

Boris Shoikhet

arxiv:0805.3363 v7 · 2008-05-21 · math.QA · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5NUYKOYZ5JRW2UPMPWRX5K5UA6}

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	2026-05-18T00:10:57.495207Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb69853b19ea636d51ec7da37eabb407830f1500918ebed03dea748742a5f155

Aliases

arxiv: 0805.3363 · arxiv_version: 0805.3363v7 · doi: 10.48550/arxiv.0805.3363 · pith_short_12: 5NUYKOYZ5JRW · pith_short_16: 5NUYKOYZ5JRW2UPM · pith_short_8: 5NUYKOYZ

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/5NUYKOYZ5JRW2UPMPWRX5K5UA6 \
  | 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: eb69853b19ea636d51ec7da37eabb407830f1500918ebed03dea748742a5f155

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9278b92ae7812a52f92f311b5947f6798b0af3178b5be673c4423ebaec86cccb",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2008-05-21T21:31:27Z",
    "title_canon_sha256": "892a4566ce726126ad0d62c8907c113b5d70c664ebe001ca4b7449b3b4a4e071"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0805.3363",
    "kind": "arxiv",
    "version": 7
  }
}