Pith Number

pith:H4GOJYN3

pith:2012:H4GOJYN3DWQFGK7SXTKRHM74OR

not attested not anchored not stored refs pending

The Classification of All Crossed Products $H_4 \# k[C_{n}]$

Ana-Loredana Agore, Costel-Gabriel Bontea, Gigel Militaru

arxiv:1210.7700 v3 · 2012-10-29 · math.RA · 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{H4GOJYN3DWQFGK7SXTKRHM74OR}

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	2026-05-18T02:53:30.457595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f0ce4e1bb1da0532bf2bcd513b3fc746ec31a6665f90ecd68a2ffbba40b1b95

Aliases

arxiv: 1210.7700 · arxiv_version: 1210.7700v3 · doi: 10.48550/arxiv.1210.7700 · pith_short_12: H4GOJYN3DWQF · pith_short_16: H4GOJYN3DWQFGK7S · pith_short_8: H4GOJYN3

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/H4GOJYN3DWQFGK7SXTKRHM74OR \
  | 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: 3f0ce4e1bb1da0532bf2bcd513b3fc746ec31a6665f90ecd68a2ffbba40b1b95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79ae1d34f72e6359e291579c99db50105bcf839f087ca8d05c126e46e90254c4",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2012-10-29T15:57:56Z",
    "title_canon_sha256": "9a7c22d6f60b899aefd5397546d8e67dd8e951ed5a34cd395b6873ebd5e813e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7700",
    "kind": "arxiv",
    "version": 3
  }
}