Pith Number

pith:BLXGM6DN

pith:2016:BLXGM6DNYBNGAF6XSUQA3FZFWG

not attested not anchored not stored refs pending

Dihedral Galois covers of algebraic varieties and the simple cases

Fabio Perroni, Fabrizio Catanese

arxiv:1609.00905 v2 · 2016-09-04 · math.AG · math.AT · 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{BLXGM6DNYBNGAF6XSUQA3FZFWG}

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	2026-05-18T00:59:19.472407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0aee66786dc05a6017d795200d9725b1ab952c1bb6211ff661f9f87cfee6ff6c

Aliases

arxiv: 1609.00905 · arxiv_version: 1609.00905v2 · doi: 10.48550/arxiv.1609.00905 · pith_short_12: BLXGM6DNYBNG · pith_short_16: BLXGM6DNYBNGAF6X · pith_short_8: BLXGM6DN

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/BLXGM6DNYBNGAF6XSUQA3FZFWG \
  | 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: 0aee66786dc05a6017d795200d9725b1ab952c1bb6211ff661f9f87cfee6ff6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5124c86f647df314da58c0d37aefd478a97de885154739e9641ac2f6d49e38bc",
    "cross_cats_sorted": [
      "math.AT",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-09-04T08:48:27Z",
    "title_canon_sha256": "3e931f7517b9d06ce12d917b1f510c5245ce11df0ad74b99dc5a5f2588b353ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00905",
    "kind": "arxiv",
    "version": 2
  }
}