Pith Number

pith:VL7HB5TM

pith:2022:VL7HB5TMSTDTQLZWEXWZJDSB3D

not attested not anchored not stored refs pending

Rigidity degrees of indecomposable modules over representation-finite self-injective algebras

Wei Hu, Xiaojuan Yin

arxiv:2208.03464 v1 · 2022-08-06 · 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{VL7HB5TMSTDTQLZWEXWZJDSB3D}

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	2026-07-05T04:46:40.852973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aafe70f66c94c7382f3625ed948e41d8d6df609dec895e094b1b235c36c4db55

Aliases

arxiv: 2208.03464 · arxiv_version: 2208.03464v1 · doi: 10.48550/arxiv.2208.03464 · pith_short_12: VL7HB5TMSTDT · pith_short_16: VL7HB5TMSTDTQLZW · pith_short_8: VL7HB5TM

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/VL7HB5TMSTDTQLZWEXWZJDSB3D \
  | 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: aafe70f66c94c7382f3625ed948e41d8d6df609dec895e094b1b235c36c4db55

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fdfcb7b05ab5feae6ffa339fcb4edc5653be45f5ca33211191a454ca8de1cdc",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2022-08-06T08:19:23Z",
    "title_canon_sha256": "1e329910be217265b4776daed4256ceb5e7993c0440f64fe9e010e6413fd90b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.03464",
    "kind": "arxiv",
    "version": 1
  }
}