Pith Number

pith:ZCXDESSR

pith:2016:ZCXDESSRBOJIS4J2HCMHJH2OHS

not attested not anchored not stored refs pending

Zariski Cancellation Problem for Noncommutative Algebras

James J. Zhang, Jason Bell

arxiv:1601.04625 v2 · 2016-01-18 · 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{ZCXDESSRBOJIS4J2HCMHJH2OHS}

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	2026-05-18T00:50:22.713049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ae324a510b9289713a3898749f4e3c86cdb9cd72305491f05c20a67a8ca21e

Aliases

arxiv: 1601.04625 · arxiv_version: 1601.04625v2 · doi: 10.48550/arxiv.1601.04625 · pith_short_12: ZCXDESSRBOJI · pith_short_16: ZCXDESSRBOJIS4J2 · pith_short_8: ZCXDESSR

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/ZCXDESSRBOJIS4J2HCMHJH2OHS \
  | 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: c8ae324a510b9289713a3898749f4e3c86cdb9cd72305491f05c20a67a8ca21e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16d2bb13a56db96ee6fd553210012b957fbeccbde865a8214af0d63444e5929",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2016-01-18T17:57:16Z",
    "title_canon_sha256": "28352e165cfd6e0b6dae68f1202b10e55167e37cebcfd18428a19e3ecbc6f3f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04625",
    "kind": "arxiv",
    "version": 2
  }
}