Pith Number

pith:P2JJQHK4

pith:2023:P2JJQHK4A63MPEHXQFWWIDW42V

not attested not anchored not stored refs pending

The Picard Group of the Stack of Pointed Smooth Cyclic Covers of the Projective Line

Alberto Landi

arxiv:2310.20045 v3 · 2023-10-30 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2JJQHK4A63MPEHXQFWWIDW42V}

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.

Cited by

1 paper in Pith

The Integral Chow Rings of the Moduli Stacks of Hyperelliptic Prym Pairs II

Receipt and verification

First computed	2026-07-05T10:58:58.389739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e92981d5c07b6c790f7816d640edcd56c3389dcbe9f675949c009da0eeb9fae

Aliases

arxiv: 2310.20045 · arxiv_version: 2310.20045v3 · doi: 10.48550/arxiv.2310.20045 · pith_short_12: P2JJQHK4A63M · pith_short_16: P2JJQHK4A63MPEHX · pith_short_8: P2JJQHK4

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/P2JJQHK4A63MPEHXQFWWIDW42V \
  | 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: 7e92981d5c07b6c790f7816d640edcd56c3389dcbe9f675949c009da0eeb9fae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab12272e4de7926714f9a5f37a0d86557f85000c9e18ff129ece206d765723ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-10-30T22:01:57Z",
    "title_canon_sha256": "b40d39347914282764176acda2501179d3a0f34b352233a7b694398e64c0ddea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.20045",
    "kind": "arxiv",
    "version": 3
  }
}