Pith Number

pith:6QBE2YO4

pith:2010:6QBE2YO4YKH76TKGGEFFLNOORU

not attested not anchored not stored refs pending

Galois and universal universal coverings of linear categories and fibre products

Andrea Solotar, Claude Cibils, Maria Julia Redondo

arxiv:1012.3434 v1 · 2010-12-15 · 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{6QBE2YO4YKH76TKGGEFFLNOORU}

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	2026-05-18T04:33:16.823296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4024d61dcc28fff4d46310a55b5ce8d0817a8c600ed4fa6e53e8a44a92cedad

Aliases

arxiv: 1012.3434 · arxiv_version: 1012.3434v1 · doi: 10.48550/arxiv.1012.3434 · pith_short_12: 6QBE2YO4YKH7 · pith_short_16: 6QBE2YO4YKH76TKG · pith_short_8: 6QBE2YO4

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/6QBE2YO4YKH76TKGGEFFLNOORU \
  | 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: f4024d61dcc28fff4d46310a55b5ce8d0817a8c600ed4fa6e53e8a44a92cedad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a2782d8c9b3d80d37a7dfe8d40c435ec95a6e10ed3345951480a9594ec8f88",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2010-12-15T19:32:24Z",
    "title_canon_sha256": "7389931aa5c9f599545f8e17136d357822c42cad89828686e633eacf9eda5fd2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3434",
    "kind": "arxiv",
    "version": 1
  }
}