Pith Number

pith:E3WA7SDZ

pith:2013:E3WA7SDZ5QIIAPKLW46XVZA6S2

not attested not anchored not stored refs pending

Gepner type stability condition via Orlov/Kuznetsov equivalence

Yukinobu Toda

arxiv:1308.3791 v4 · 2013-08-17 · 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{E3WA7SDZ5QIIAPKLW46XVZA6S2}

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	2026-05-18T03:07:56.493064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ec0fc879ec10803d4bb73d7ae41e96817122c8499fa1f97f04abb1177d761b

Aliases

arxiv: 1308.3791 · arxiv_version: 1308.3791v4 · doi: 10.48550/arxiv.1308.3791 · pith_short_12: E3WA7SDZ5QII · pith_short_16: E3WA7SDZ5QIIAPKL · pith_short_8: E3WA7SDZ

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/E3WA7SDZ5QIIAPKLW46XVZA6S2 \
  | 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: 26ec0fc879ec10803d4bb73d7ae41e96817122c8499fa1f97f04abb1177d761b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82180afb1ff1791f6c3555006bbec8a593e00e8b9cb814d635ceb3e6aca583a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-08-17T15:04:03Z",
    "title_canon_sha256": "60a5d53459c3525ee7d03928b2e5825e6775599bafae7f468213acfe884e26b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3791",
    "kind": "arxiv",
    "version": 4
  }
}