Pith Number

pith:DBH6Y3CA

pith:2018:DBH6Y3CALMXQYDWECUP5YHQHWX

not attested not anchored not stored refs pending

Skew PBW extensions over weak symmetric and $(\Sigma,\Delta)$-weak symmetric rings

Armando Reyes, H\'ector Su\'arez

arxiv:1807.06444 v1 · 2018-07-13 · 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{DBH6Y3CALMXQYDWECUP5YHQHWX}

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	2026-05-18T00:10:33.002579Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

184fec6c405b2f0c0ec4151fdc1e07b5ef1529de7769c7b53dbbeb6df6cd9e58

Aliases

arxiv: 1807.06444 · arxiv_version: 1807.06444v1 · doi: 10.48550/arxiv.1807.06444 · pith_short_12: DBH6Y3CALMXQ · pith_short_16: DBH6Y3CALMXQYDWE · pith_short_8: DBH6Y3CA

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/DBH6Y3CALMXQYDWECUP5YHQHWX \
  | 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: 184fec6c405b2f0c0ec4151fdc1e07b5ef1529de7769c7b53dbbeb6df6cd9e58

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d074e8cdbb909cc01db49412a566ccc881e8dce95752d60f8ae27452a3f49c5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-07-13T21:39:04Z",
    "title_canon_sha256": "68334c6d7f8484031926dd70ed3dd4a6b3d8503fac3f54bd54fb7b593db1e745"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.06444",
    "kind": "arxiv",
    "version": 1
  }
}