Pith Number

pith:BDB2OQ66

pith:2008:BDB2OQ66AV7GZSNHXSG3D66G2D

not attested not anchored not stored refs pending

A generalization of Gabriel's Galois covering functors and derived equivalences

Hideto Asashiba

arxiv:0807.4706 v7 · 2008-07-29 · 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{BDB2OQ66AV7GZSNHXSG3D66G2D}

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	2026-05-18T04:28:20.549586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08c3a743de057e6cc9a7bc8db1fbc6d0f3609bea84519ab24d5aed42140d4b65

Aliases

arxiv: 0807.4706 · arxiv_version: 0807.4706v7 · doi: 10.48550/arxiv.0807.4706 · pith_short_12: BDB2OQ66AV7G · pith_short_16: BDB2OQ66AV7GZSNH · pith_short_8: BDB2OQ66

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/BDB2OQ66AV7GZSNHXSG3D66G2D \
  | 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: 08c3a743de057e6cc9a7bc8db1fbc6d0f3609bea84519ab24d5aed42140d4b65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa72bab432fb52c4c310dc557749428dce02bfba7f8085479ff028bed4d99632",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2008-07-29T17:02:58Z",
    "title_canon_sha256": "01adb9f2bd26feae858b8cc1aea78805b57b0ea0428fcace80ad84e8cd73df7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4706",
    "kind": "arxiv",
    "version": 7
  }
}