Pith Number

pith:F6NDX676

pith:2017:F6NDX676PCCDNB2EX2ZYN655PA

not attested not anchored not stored refs pending

Cohen-Macaulay invariant subalgebras of Hopf dense Galois extensions

Jiwei He, Yinhuo Zhang

arxiv:1711.04197 v1 · 2017-11-11 · 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{F6NDX676PCCDNB2EX2ZYN655PA}

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	2026-05-18T00:30:39.794307Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f9a3bfbfe7884368744beb386fbbd78183951532b0cc5b00968ec77dc37054b

Aliases

arxiv: 1711.04197 · arxiv_version: 1711.04197v1 · doi: 10.48550/arxiv.1711.04197 · pith_short_12: F6NDX676PCCD · pith_short_16: F6NDX676PCCDNB2E · pith_short_8: F6NDX676

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/F6NDX676PCCDNB2EX2ZYN655PA \
  | 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: 2f9a3bfbfe7884368744beb386fbbd78183951532b0cc5b00968ec77dc37054b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f76ee7638f6045520d6d7c5b24d15b6221c8239375e5f803e1ebf80673ba82e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-11-11T21:13:45Z",
    "title_canon_sha256": "f1eff581b343799be0545bad140168dfc0db6b061573ddcf146136f99c2ee3f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.04197",
    "kind": "arxiv",
    "version": 1
  }
}