Pith Number

pith:LDQQDIRI

pith:2011:LDQQDIRI2DN3GG3LSJG7A3J6M6

not attested not anchored not stored refs pending

On the invariant theory for tame tilted algebras

Calin Chindris

arxiv:1109.2915 v1 · 2011-09-13 · 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{LDQQDIRI2DN3GG3LSJG7A3J6M6}

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	2026-05-18T04:13:06.726112Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58e101a228d0dbb31b6b924df06d3e67bad6fc5e872aeed527db1a1b61f60229

Aliases

arxiv: 1109.2915 · arxiv_version: 1109.2915v1 · doi: 10.48550/arxiv.1109.2915 · pith_short_12: LDQQDIRI2DN3 · pith_short_16: LDQQDIRI2DN3GG3L · pith_short_8: LDQQDIRI

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/LDQQDIRI2DN3GG3LSJG7A3J6M6 \
  | 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: 58e101a228d0dbb31b6b924df06d3e67bad6fc5e872aeed527db1a1b61f60229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a5b60faf1f61af1e318be9f1925341ddaa05419e634b2851565487f054ebf7a2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2011-09-13T20:26:20Z",
    "title_canon_sha256": "198d8d86da13a842a09d24f52cde68db587ac8891c8b52ee696887b5e3ed51a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2915",
    "kind": "arxiv",
    "version": 1
  }
}