Pith Number

pith:IKGY6AQT

pith:2013:IKGY6AQTWJERAWULTX6F7D2TD2

not attested not anchored not stored refs pending

Derived equivalences induced by big cotilting modules

Jan Stovicek

arxiv:1308.1804 v2 · 2013-08-08 · math.CT · 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{IKGY6AQTWJERAWULTX6F7D2TD2}

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	2026-05-18T02:48:17.688383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428d8f0213b249105a8b9dfc5f8f531eb9815a40026da4a2e34bced81ded2aaf

Aliases

arxiv: 1308.1804 · arxiv_version: 1308.1804v2 · doi: 10.48550/arxiv.1308.1804 · pith_short_12: IKGY6AQTWJER · pith_short_16: IKGY6AQTWJERAWUL · pith_short_8: IKGY6AQT

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/IKGY6AQTWJERAWULTX6F7D2TD2 \
  | 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: 428d8f0213b249105a8b9dfc5f8f531eb9815a40026da4a2e34bced81ded2aaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d32372154fd5e89ba2d02490b919876f313f33db9e0c6f6a2e015baa50b113d9",
    "cross_cats_sorted": [
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2013-08-08T10:15:42Z",
    "title_canon_sha256": "5da85e3c20f154fae6cc275770a4dffbbc77365b50fd1fb13f56474b0c8fe03a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1804",
    "kind": "arxiv",
    "version": 2
  }
}