Pith Number

pith:4TY6SHKU

pith:2025:4TY6SHKUCD3E7CG2MMHVF5ENCF

not attested not anchored not stored refs pending

The Factorizable Feigin-Frenkel center

Andrea Maffei, Luca Casarin

arxiv:2501.09589 v4 · 2025-01-16 · 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{4TY6SHKUCD3E7CG2MMHVF5ENCF}

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	2026-05-25T02:02:06.356180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4f1e91d5410f64f88da630f52f48d11542899f368dd38f0a134e89a13914b0b

Aliases

arxiv: 2501.09589 · arxiv_version: 2501.09589v4 · doi: 10.48550/arxiv.2501.09589 · pith_short_12: 4TY6SHKUCD3E · pith_short_16: 4TY6SHKUCD3E7CG2 · pith_short_8: 4TY6SHKU

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/4TY6SHKUCD3E7CG2MMHVF5ENCF \
  | 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: e4f1e91d5410f64f88da630f52f48d11542899f368dd38f0a134e89a13914b0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7e4882d813c1a3a22d77570b8dbb42d13314138d830e498fec347e8cfbc3176",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2025-01-16T15:14:42Z",
    "title_canon_sha256": "9cea4b2ac8de6bda87f0cf2e24490bb23e41231336ddef924f0672b28759b8f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.09589",
    "kind": "arxiv",
    "version": 4
  }
}