Pith Number

pith:N6YO7DAJ

pith:2020:N6YO7DAJ7RHUR6XAX3ATMXTCMY

not attested not anchored not stored refs pending

Realizing Artin-Schreier Covers with Minimal $a$-numbers in Positive Characteristic

Andrew Yuan, Fiona Abney-McPeek, Hugo Berg, Jeremy Booher, Miroslav Marinov, Nancy Xu, Pawe{\l} Narkiewicz, Rachel Pries, Sun Mee Choi, Theo M\"uller, Viktor Fukala

arxiv:2003.09028 v3 · 2020-03-19 · math.NT · 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{N6YO7DAJ7RHUR6XAX3ATMXTCMY}

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	2026-07-05T05:35:10.540919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb0ef8c09fc4f48fae0bec1365e6266036c3aefa8493f537f7fc7a3feed9bb1

Aliases

arxiv: 2003.09028 · arxiv_version: 2003.09028v3 · doi: 10.48550/arxiv.2003.09028 · pith_short_12: N6YO7DAJ7RHU · pith_short_16: N6YO7DAJ7RHUR6XA · pith_short_8: N6YO7DAJ

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/N6YO7DAJ7RHUR6XAX3ATMXTCMY \
  | 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: 6fb0ef8c09fc4f48fae0bec1365e6266036c3aefa8493f537f7fc7a3feed9bb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af5f085378cdfb1d84fd117fe118933ee3ffb1f396a87483cac0f9e0b318f0c",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2020-03-19T21:59:39Z",
    "title_canon_sha256": "9f2b318574f10969505075bbb08833e8933f35d72bec67aa6c4d7bd659a10b1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.09028",
    "kind": "arxiv",
    "version": 3
  }
}