Pith Number

pith:GY4J6SHX

pith:2017:GY4J6SHXFF3AQNCHD7RVHBGFAD

not attested not anchored not stored refs pending

On the canonical map of some surfaces isogenous to a product

Fabrizio Catanese (Universitaet Bayreuth)

arxiv:1704.01100 v1 · 2017-04-04 · math.AG · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GY4J6SHXFF3AQNCHD7RVHBGFAD}

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	2026-05-18T00:47:16.207065Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36389f48f729760834471fe35384c500ec2e5443c5d0b086ad0555412bb362c4

Aliases

arxiv: 1704.01100 · arxiv_version: 1704.01100v1 · doi: 10.48550/arxiv.1704.01100 · pith_short_12: GY4J6SHXFF3A · pith_short_16: GY4J6SHXFF3AQNCH · pith_short_8: GY4J6SHX

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/GY4J6SHXFF3AQNCHD7RVHBGFAD \
  | 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: 36389f48f729760834471fe35384c500ec2e5443c5d0b086ad0555412bb362c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "be526bdc2b61b4ce1a424d12f8de605907ec5ad4581137aaaf982ef2f8c0cb0b",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-04T16:44:40Z",
    "title_canon_sha256": "366e8084eec40c50e548f03ff634db77ead8b57e49bc50460c610d575259d676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01100",
    "kind": "arxiv",
    "version": 1
  }
}