pith. sign in
Pith Number

pith:3IBOYWAB

pith:2017:3IBOYWABYZASUTXEC4V3NBWDT2
not attested not anchored not stored refs pending

Lie algebroid cohomology and Lie algebroid extensions

Ettore Aldrovandi, Ugo Bruzzo, Vladimir Rubtsov

arxiv:1711.05156 v1 · 2017-11-14 · math.RA · math.AG

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3IBOYWABYZASUTXEC4V3NBWDT2}

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 2026-05-17T23:54:26.607719Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

da02ec5801c6412a4ee4172bb686c39eb17e13db8f2310cd71b1555e2216effc

Aliases

arxiv: 1711.05156 · arxiv_version: 1711.05156v1 · doi: 10.48550/arxiv.1711.05156 · pith_short_12: 3IBOYWABYZAS · pith_short_16: 3IBOYWABYZASUTXE · pith_short_8: 3IBOYWAB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3IBOYWABYZASUTXEC4V3NBWDT2 \
  | 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: da02ec5801c6412a4ee4172bb686c39eb17e13db8f2310cd71b1555e2216effc
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "049b40a33378dd3a06aeb2ccfc749d1cf53a565af55bfeb0383a1eb5188ed901",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-11-14T15:55:25Z",
    "title_canon_sha256": "a009d5de22a67d668a7eb9fccbfa7bc50312936f6e8fcafe4ade8dad14e9a2c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.05156",
    "kind": "arxiv",
    "version": 1
  }
}