Pith Number

pith:SETWIUVB

pith:2011:SETWIUVBPVNNH4S342FAGWV2BI

not attested not anchored not stored refs pending

Double solids, categories and non-rationality

Atanas Iliev, Ludmil Katzarkov, Victor Przyjalkowski

arxiv:1102.2130 v3 · 2011-02-10 · 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{SETWIUVBPVNNH4S342FAGWV2BI}

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	2026-05-18T02:22:38.954096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91276452a17d5ad3f25be68a035aba0a1ce1b3bc92a9cb1389c0acad889e953c

Aliases

arxiv: 1102.2130 · arxiv_version: 1102.2130v3 · doi: 10.48550/arxiv.1102.2130 · pith_short_12: SETWIUVBPVNN · pith_short_16: SETWIUVBPVNNH4S3 · pith_short_8: SETWIUVB

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/SETWIUVBPVNNH4S342FAGWV2BI \
  | 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: 91276452a17d5ad3f25be68a035aba0a1ce1b3bc92a9cb1389c0acad889e953c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24c14959599dd3913a7116aabd7c048c3aa8013f6ab5a5880076c9f7c7c6a502",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-02-10T14:35:20Z",
    "title_canon_sha256": "76f5dc47fdb1cdb6d587b3fac9cf7a397d5868ee868ad475496aeae1599ede39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2130",
    "kind": "arxiv",
    "version": 3
  }
}