Pith Number

pith:7LFQ73AB

pith:2018:7LFQ73ABPEBMPKH4PVWNGBDPHW

not attested not anchored not stored refs pending

Morita invariance of equivariant and Hopf-cyclic cohomology of module algebras over Hopf algebroids

Mamta Balodi

arxiv:1804.10898 v1 · 2018-04-29 · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LFQ73ABPEBMPKH4PVWNGBDPHW}

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	2026-05-18T00:17:15.216312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

facb0fec017902c7a8fc7d6cd3046f3daf5e109408e409894e1fb2faff28a58c

Aliases

arxiv: 1804.10898 · arxiv_version: 1804.10898v1 · doi: 10.48550/arxiv.1804.10898 · pith_short_12: 7LFQ73ABPEBM · pith_short_16: 7LFQ73ABPEBMPKH4 · pith_short_8: 7LFQ73AB

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/7LFQ73ABPEBMPKH4PVWNGBDPHW \
  | 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: facb0fec017902c7a8fc7d6cd3046f3daf5e109408e409894e1fb2faff28a58c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b2be2f74decee13853555d7bc4a86f064f4994f492ddf3636f64ed47bf5f9ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-04-29T09:33:43Z",
    "title_canon_sha256": "362869d6eb2f214fd9660fe244a9a7e9dca7fcf4a948144c054b49fd8754b724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10898",
    "kind": "arxiv",
    "version": 1
  }
}