Pith Number

pith:RLOGPWCA

pith:2013:RLOGPWCA7P5VVCUDG2ZTBLGDUX

not attested not anchored not stored refs pending

A simple counterexample to the Jordan-H\"older property for derived categories

Alexander Kuznetsov

arxiv:1304.0903 v1 · 2013-04-03 · 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{RLOGPWCA7P5VVCUDG2ZTBLGDUX}

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	2026-05-18T03:29:05.782537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8adc67d840fbfb5a8a8336b330acc3a5daddbc041890cce26551d1f6b34fb01c

Aliases

arxiv: 1304.0903 · arxiv_version: 1304.0903v1 · doi: 10.48550/arxiv.1304.0903 · pith_short_12: RLOGPWCA7P5V · pith_short_16: RLOGPWCA7P5VVCUD · pith_short_8: RLOGPWCA

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/RLOGPWCA7P5VVCUDG2ZTBLGDUX \
  | 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: 8adc67d840fbfb5a8a8336b330acc3a5daddbc041890cce26551d1f6b34fb01c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f9ce2487ae75bfafca3224dbd7354e28a23ba318a84c22a8655ea36253139a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-04-03T10:25:44Z",
    "title_canon_sha256": "45ea6a5c0dcd88623cd88454a21736c1f73be9aab9130ff6a581e5d6f16fe718"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.0903",
    "kind": "arxiv",
    "version": 1
  }
}