Pith Number

pith:WYSA2WT5

pith:2015:WYSA2WT57NT6CYGV4DIEXUDLXJ

not attested not anchored not stored refs pending

Endomorphism algebras of semi-tilting modules

Shunhua Zhang

arxiv:1503.05450 v1 · 2015-03-18 · math.RT · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYSA2WT57NT6CYGV4DIEXUDLXJ}

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	2026-05-18T02:21:50.387209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6240d5a7dfb67e160d5e0d04bd06bba7bc8987c91e457ac3ab889e6762d27ff

Aliases

arxiv: 1503.05450 · arxiv_version: 1503.05450v1 · doi: 10.48550/arxiv.1503.05450 · pith_short_12: WYSA2WT57NT6 · pith_short_16: WYSA2WT57NT6CYGV · pith_short_8: WYSA2WT5

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/WYSA2WT57NT6CYGV4DIEXUDLXJ \
  | 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: b6240d5a7dfb67e160d5e0d04bd06bba7bc8987c91e457ac3ab889e6762d27ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07d9c6bd758ccff3e5cc5fc5fd07dfba402fca7771b4f184f20eddd993d16f67",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2015-03-18T15:23:09Z",
    "title_canon_sha256": "b65a5fb80ebdcc4b5faa07abd35147d791496c8957359591b41fc91cc38e9819"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.05450",
    "kind": "arxiv",
    "version": 1
  }
}