Pith Number

pith:BZKLJODG

pith:2004:BZKLJODG64YKCXNKIDFBLRL7K6

not attested not anchored not stored refs pending

Semicanonical bases and preprojective algebras

Bernard Leclerc (LMNO), Christof Geiss (Instituto de matematicas, Jan Schr\"oer (Department of Pure Mathematics, UNAM), University of Leeds)

arxiv:math/0402448 v2 · 2004-02-27 · math.RT · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZKLJODG64YKCXNKIDFBLRL7K6}

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	2026-05-17T23:52:09.655204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e54b4b866f730a15daa40ca15c57f5780cf264124243a509eac313d8308bb57

Aliases

arxiv: math/0402448 · arxiv_version: math/0402448v2 · doi: 10.48550/arxiv.math/0402448 · pith_short_12: BZKLJODG64YK · pith_short_16: BZKLJODG64YKCXNK · pith_short_8: BZKLJODG

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/BZKLJODG64YKCXNKIDFBLRL7K6 \
  | 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: 0e54b4b866f730a15daa40ca15c57f5780cf264124243a509eac313d8308bb57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "748e3d037ad5e5950b469121cfe25bd54fab8c5b454605d5b42194780e63b344",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "",
    "primary_cat": "math.RT",
    "submitted_at": "2004-02-27T08:23:43Z",
    "title_canon_sha256": "6e5e1c9987157b34394b63afb1fcc8f3137dce463045feb8fa330ab4e58e6e91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0402448",
    "kind": "arxiv",
    "version": 2
  }
}