Pith Number

pith:2OZ2DUSH

pith:2023:2OZ2DUSHPPBCNTGUOPNXXJWDQY

not attested not anchored not stored refs pending

On cohomological characterizations of endotrivial modules

Chenyou Zheng, Fei Xu

arxiv:2308.16838 v1 · 2023-08-31 · math.GR · math.CT · 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{2OZ2DUSHPPBCNTGUOPNXXJWDQY}

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.

Cited by

1 paper in Pith

A torsion theoretic interpretation for sheaves of modules and Grothendieck topologies on directed categories

Receipt and verification

First computed	2026-07-05T06:46:40.004035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b3a1d2477bc226ccd473db7ba6c3862127915a86875a78d27cf11f68892dd6

Aliases

arxiv: 2308.16838 · arxiv_version: 2308.16838v1 · doi: 10.48550/arxiv.2308.16838 · pith_short_12: 2OZ2DUSHPPBC · pith_short_16: 2OZ2DUSHPPBCNTGU · pith_short_8: 2OZ2DUSH

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/2OZ2DUSHPPBCNTGUOPNXXJWDQY \
  | 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: d3b3a1d2477bc226ccd473db7ba6c3862127915a86875a78d27cf11f68892dd6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "410cd01d5f247fed3177a1734aab3fdbc3658ea412336c00ea6b37c107be613e",
    "cross_cats_sorted": [
      "math.CT",
      "math.RT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2023-08-31T16:13:03Z",
    "title_canon_sha256": "0943738957cab889870a461077479b195635e14f91189e0e7a2157c151fdc5e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.16838",
    "kind": "arxiv",
    "version": 1
  }
}