Pith Number

pith:KUZ4HYOB

pith:2017:KUZ4HYOBUBG7CSAA6IIAFZTDUN

not attested not anchored not stored refs pending

Universal Deformation Formula, Formality and Actions

Chiara Esposito, Niek de Kleijn

arxiv:1704.07054 v1 · 2017-04-24 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUZ4HYOBUBG7CSAA6IIAFZTDUN}

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	2026-05-18T00:45:53.724641Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5533c3e1c1a04df14800f21002e663a35b6c2c01207bb3c94cad9efcb9ed56c3

Aliases

arxiv: 1704.07054 · arxiv_version: 1704.07054v1 · doi: 10.48550/arxiv.1704.07054 · pith_short_12: KUZ4HYOBUBG7 · pith_short_16: KUZ4HYOBUBG7CSAA · pith_short_8: KUZ4HYOB

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/KUZ4HYOBUBG7CSAA6IIAFZTDUN \
  | 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: 5533c3e1c1a04df14800f21002e663a35b6c2c01207bb3c94cad9efcb9ed56c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df9462ce7c7cbb88425dfe5f03100be56f6092f4ea82737b236c833014349f0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2017-04-24T06:48:29Z",
    "title_canon_sha256": "568c879e49d6c0475bee7be56f5351c3f0da97f0e3476558bb36565f5295278c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07054",
    "kind": "arxiv",
    "version": 1
  }
}