Pith Number

pith:RJGFP5VA

pith:2018:RJGFP5VAQYK34B7D3EZRSEUSYW

not attested not anchored not stored refs pending

Lifting partial actions: from groups to groupoids

Antonio Paques, Dirceu Bagio, H\'ector Pinedo

arxiv:1805.00885 v1 · 2018-05-02 · 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{RJGFP5VAQYK34B7D3EZRSEUSYW}

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	2026-05-18T00:16:57.324138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a4c57f6a08615be07e3d933191292c5832aabe1c656b50245f4a94184c06b49

Aliases

arxiv: 1805.00885 · arxiv_version: 1805.00885v1 · doi: 10.48550/arxiv.1805.00885 · pith_short_12: RJGFP5VAQYK3 · pith_short_16: RJGFP5VAQYK34B7D · pith_short_8: RJGFP5VA

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/RJGFP5VAQYK34B7D3EZRSEUSYW \
  | 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: 8a4c57f6a08615be07e3d933191292c5832aabe1c656b50245f4a94184c06b49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9ebb1251a99914c90ecdcb0e1005bdd4d3084a07291bf6f7d53aa526c504dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-05-02T15:58:48Z",
    "title_canon_sha256": "28946963ec5f9bb5416472daf76ebc17d71247153b500b501f5bf222cf737625"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.00885",
    "kind": "arxiv",
    "version": 1
  }
}