Pith Number

pith:IEG3ULPW

pith:2016:IEG3ULPWQJWQV2L3RT4OG7K5IQ

not attested not anchored not stored refs pending

Module structure of the center of the universal central extension of a genus zero Krichever-Novikov algebra

Ben Cox

arxiv:1602.06457 v2 · 2016-02-20 · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEG3ULPWQJWQV2L3RT4OG7K5IQ}

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	2026-05-18T01:11:54.709095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

410dba2df6826d0ae97b8cf8e37d5d442bd50f7d20dce87ec2451ba30a31e99b

Aliases

arxiv: 1602.06457 · arxiv_version: 1602.06457v2 · doi: 10.48550/arxiv.1602.06457 · pith_short_12: IEG3ULPWQJWQ · pith_short_16: IEG3ULPWQJWQV2L3 · pith_short_8: IEG3ULPW

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/IEG3ULPWQJWQV2L3RT4OG7K5IQ \
  | 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: 410dba2df6826d0ae97b8cf8e37d5d442bd50f7d20dce87ec2451ba30a31e99b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a47f2b79ed25a0fd618fbaf5d344399fd6c19fd7698e2c27001efd67e44bc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-02-20T20:50:17Z",
    "title_canon_sha256": "00e2512330e0d40291ba6b6b69efdea696376eba9ce66751026c383fb155cb3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06457",
    "kind": "arxiv",
    "version": 2
  }
}