Pith Number

pith:MV7EGD4W

pith:2010:MV7EGD4W6NU7Q7FM3DPSUK4CAZ

not attested not anchored not stored refs pending

Irreducibility of the space of cyclic covers of algebraic curves of fixed numerical type and the irreducible components of $Sing (\bar{\mathfrak M_g})$

Fabrizio Catanese (Universitaet Bayreuth)

arxiv:1011.0316 v1 · 2010-11-01 · 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{MV7EGD4W6NU7Q7FM3DPSUK4CAZ}

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	2026-05-18T04:37:23.435146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

657e430f96f369f87cacd8df2a2b820643d4baae6395617a47d5014831c4a4e7

Aliases

arxiv: 1011.0316 · arxiv_version: 1011.0316v1 · doi: 10.48550/arxiv.1011.0316 · pith_short_12: MV7EGD4W6NU7 · pith_short_16: MV7EGD4W6NU7Q7FM · pith_short_8: MV7EGD4W

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/MV7EGD4W6NU7Q7FM3DPSUK4CAZ \
  | 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: 657e430f96f369f87cacd8df2a2b820643d4baae6395617a47d5014831c4a4e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e46df94ab338f9db77650d150c11d42fc55a4f5d07a72444165102aedfbdce53",
    "cross_cats_sorted": [
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-11-01T13:30:16Z",
    "title_canon_sha256": "17602f7104c10a647ec29ca63c27551c81162aed6c3cd0f54a762e2a4a56b05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.0316",
    "kind": "arxiv",
    "version": 1
  }
}