Pith Number

pith:55CX4UZZ

pith:2012:55CX4UZZEM4HGVECPS5ATBLVWX

not attested not anchored not stored refs pending

Cohomology for almost Lie algebroids

Melchior Gr\"utzmann, Xiaomeng Xu

arxiv:1206.5466 v1 · 2012-06-24 · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{55CX4UZZEM4HGVECPS5ATBLVWX}

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	2026-05-18T03:52:40.025123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef457e533923387354827cba098575b5d411478e4cd217008f52b8b824c058b0

Aliases

arxiv: 1206.5466 · arxiv_version: 1206.5466v1 · doi: 10.48550/arxiv.1206.5466 · pith_short_12: 55CX4UZZEM4H · pith_short_16: 55CX4UZZEM4HGVEC · pith_short_8: 55CX4UZZ

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/55CX4UZZEM4HGVECPS5ATBLVWX \
  | 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: ef457e533923387354827cba098575b5d411478e4cd217008f52b8b824c058b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53213a17c24488e229d762409b5572d1f2e4076d0ff48d034bd6c183ff2e5d39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2012-06-24T06:03:43Z",
    "title_canon_sha256": "426ce0018162ac2875d70f14f9898c49bb540e55e0602a680a47419a190172d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5466",
    "kind": "arxiv",
    "version": 1
  }
}