Pith Number

pith:X7CWNGRG

pith:2014:X7CWNGRGZZCPQGL7IJ45HJPINC

not attested not anchored not stored refs pending

Jordan groups and algebraic surfaces

Tatiana Bandman, Yuri G. Zarhin

arxiv:1404.1581 v3 · 2014-04-06 · math.AG · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X7CWNGRGZZCPQGL7IJ45HJPINC}

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	2026-05-18T02:49:28.422876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bfc5669a26ce44f8197f4279d3a5e86897199750805b4d518ca97bf0c858667e

Aliases

arxiv: 1404.1581 · arxiv_version: 1404.1581v3 · doi: 10.48550/arxiv.1404.1581 · pith_short_12: X7CWNGRGZZCP · pith_short_16: X7CWNGRGZZCPQGL7 · pith_short_8: X7CWNGRG

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/X7CWNGRGZZCPQGL7IJ45HJPINC \
  | 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: bfc5669a26ce44f8197f4279d3a5e86897199750805b4d518ca97bf0c858667e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fafd66c1d8d02c869858c88c616e4a723bcae7d7973b9f386161982c4473b5b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-04-06T14:14:45Z",
    "title_canon_sha256": "67f083c043ec9cb240e5c0a94871cce540da93cdac9eeee96f1b304a9c0cf617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1581",
    "kind": "arxiv",
    "version": 3
  }
}