Pith Number

pith:GI3GTKCO

pith:2014:GI3GTKCOKZPWJ23Z4XOSI6X247

not attested not anchored not stored refs pending

Characterizing \tau-rigid-finite algebras with radical square zero

Takahide Adachi

arxiv:1401.1438 v2 · 2014-01-07 · 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{GI3GTKCOKZPWJ23Z4XOSI6X247}

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	2026-05-18T02:57:26.145843Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323669a84e565f64eb79e5dd247afae7d1354f6e22378586e32a39bcc8f4c36a

Aliases

arxiv: 1401.1438 · arxiv_version: 1401.1438v2 · doi: 10.48550/arxiv.1401.1438 · pith_short_12: GI3GTKCOKZPW · pith_short_16: GI3GTKCOKZPWJ23Z · pith_short_8: GI3GTKCO

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/GI3GTKCOKZPWJ23Z4XOSI6X247 \
  | 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: 323669a84e565f64eb79e5dd247afae7d1354f6e22378586e32a39bcc8f4c36a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ea9aab19cc819f7b52bd7a77d8c81eec6b053c5cd145a15b75e1acfa9b22140",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2014-01-07T16:45:04Z",
    "title_canon_sha256": "943c5e7107f26f1f57a713ccbb09c8b496b9f6c911051ef041568cf0a7b364c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1438",
    "kind": "arxiv",
    "version": 2
  }
}