Pith Number

pith:BVPPCWTY

pith:2009:BVPPCWTYYAHQJ3UO2VYKVDKTNH

not attested not anchored not stored refs pending

Tilting via torsion pairs and almost hereditary noetherian rings

Jan Stovicek, Jan Trlifaj, Otto Kerner

arxiv:0903.5454 v2 · 2009-03-31 · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVPPCWTYYAHQJ3UO2VYKVDKTNH}

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	2026-05-18T04:21:50.829014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d5ef15a78c00f04ee8ed570aa8d5369f4a540e962ae1c6acb97420b1971aad1

Aliases

arxiv: 0903.5454 · arxiv_version: 0903.5454v2 · doi: 10.48550/arxiv.0903.5454 · pith_short_12: BVPPCWTYYAHQ · pith_short_16: BVPPCWTYYAHQJ3UO · pith_short_8: BVPPCWTY

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/BVPPCWTYYAHQJ3UO2VYKVDKTNH \
  | 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: 0d5ef15a78c00f04ee8ed570aa8d5369f4a540e962ae1c6acb97420b1971aad1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc796bc3ac164cf8cd6cf6076c94d65a71272015dcf8ae2d29927e95013dbc8b",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2009-03-31T13:11:52Z",
    "title_canon_sha256": "9696fc5cd7d9eaa0425ebf052e40f7e86b5bcbe31fe4cf0d49aed3013ea88091"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.5454",
    "kind": "arxiv",
    "version": 2
  }
}