Pith Number

pith:5HYTYWLX

pith:2017:5HYTYWLXQZBX4C4FXR735E772Z

not attested not anchored not stored refs pending

Simple modules and their essential extensions for skew polynomial rings

Jerzy Matczuk, Ken Brown, Paula A.A.B. Carvalho

arxiv:1705.06596 v1 · 2017-05-18 · 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{5HYTYWLXQZBX4C4FXR735E772Z}

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	2026-05-18T00:44:14.347032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9f13c597786437e0b85bc7fbe93ffd667436e268b63414bed401bb41ec4e6b3

Aliases

arxiv: 1705.06596 · arxiv_version: 1705.06596v1 · doi: 10.48550/arxiv.1705.06596 · pith_short_12: 5HYTYWLXQZBX · pith_short_16: 5HYTYWLXQZBX4C4F · pith_short_8: 5HYTYWLX

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/5HYTYWLXQZBX4C4FXR735E772Z \
  | 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: e9f13c597786437e0b85bc7fbe93ffd667436e268b63414bed401bb41ec4e6b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6ee460e302a13ccbee84b363997028ac9953e63817654b3f1728b390f841528",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-05-18T13:55:21Z",
    "title_canon_sha256": "d5d0068861a607e67ad61f8a9eb9a1df5aa76a6c3589f4ec2055126ccd709d6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.06596",
    "kind": "arxiv",
    "version": 1
  }
}