pith. sign in
Pith Number

pith:74N73KSB

pith:2018:74N73KSB5JSMUXMKJTFBMOABLS
not attested not anchored not stored refs pending

n-Torsion Clean Rings

Jerzy Matczuk, Peter Danchev

arxiv:1801.04182 v1 · 2018-01-12 · math.RA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{74N73KSB5JSMUXMKJTFBMOABLS}

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 2026-05-18T00:26:09.562739Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

ff1bfdaa41ea64ca5d8a4cca1638015c99c512f385ec15045f9a47fec68219c7

Aliases

arxiv: 1801.04182 · arxiv_version: 1801.04182v1 · doi: 10.48550/arxiv.1801.04182 · pith_short_12: 74N73KSB5JSM · pith_short_16: 74N73KSB5JSMUXMK · pith_short_8: 74N73KSB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/74N73KSB5JSMUXMKJTFBMOABLS \
  | 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: ff1bfdaa41ea64ca5d8a4cca1638015c99c512f385ec15045f9a47fec68219c7
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ea874d6fa6c21a2dd2c671345b25351553323b6ce29ad440c79d64a0e3824dde",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2018-01-12T14:46:46Z",
    "title_canon_sha256": "21756763c2fcd657650f8e6759fabe207159fc36eafb3bdf2d1ea5c91dbc8ed7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04182",
    "kind": "arxiv",
    "version": 1
  }
}