Pith Number

pith:R4EZYEQY

pith:2026:R4EZYEQY247KPEJ3QAFEKJNTTM

not attested not anchored not stored refs pending

(Quasi-)affineness of perverse character varieties

Enrico Lampetti, Michele Pernice

arxiv:2605.25069 v1 · 2026-05-24 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R4EZYEQY247KPEJ3QAFEKJNTTM}

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	2026-05-26T02:03:38.391944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f099c1218d73ea7913b800a4525b39b2126821a9784d4dcbbfe43aa06596390

Aliases

arxiv: 2605.25069 · arxiv_version: 2605.25069v1 · doi: 10.48550/arxiv.2605.25069 · pith_short_12: R4EZYEQY247K · pith_short_16: R4EZYEQY247KPEJ3 · pith_short_8: R4EZYEQY

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/R4EZYEQY247KPEJ3QAFEKJNTTM \
  | 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: 8f099c1218d73ea7913b800a4525b39b2126821a9784d4dcbbfe43aa06596390

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd2a8f7f1dfea93576f9a6469debbd6dda0a671b5690032c04d63f3363de07c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-24T13:26:48Z",
    "title_canon_sha256": "24704b9f987a41c0b68707d0c4eb018b9f07f032b4aa94d8328783a7f5cef3c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25069",
    "kind": "arxiv",
    "version": 1
  }
}