Pith Number

pith:4MKNRRN6

pith:2012:4MKNRRN6OGC4KBQ4XJSGZB2Z4I

not attested not anchored not stored refs pending

Non-affine Landau-Ginzburg models and intersection cohomology

Christian Sevenheck, Thomas Reichelt

arxiv:1210.6527 v4 · 2012-10-24 · 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{4MKNRRN6OGC4KBQ4XJSGZB2Z4I}

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	2026-05-18T01:12:02.060444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e314d8c5be7185c5061cba646c8759e21a4e6a542346f6e0a8824e4d04800f7d

Aliases

arxiv: 1210.6527 · arxiv_version: 1210.6527v4 · doi: 10.48550/arxiv.1210.6527 · pith_short_12: 4MKNRRN6OGC4 · pith_short_16: 4MKNRRN6OGC4KBQ4 · pith_short_8: 4MKNRRN6

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/4MKNRRN6OGC4KBQ4XJSGZB2Z4I \
  | 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: e314d8c5be7185c5061cba646c8759e21a4e6a542346f6e0a8824e4d04800f7d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3d5f77c717466bc06598b8fecd6a1760e6653163f190283aba3bb41a35a9537",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-10-24T13:37:53Z",
    "title_canon_sha256": "8a03ed804907f3997b802307db03b08ecddf0b2c9e7498bef869d2d689e88f5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6527",
    "kind": "arxiv",
    "version": 4
  }
}