Pith Number

pith:4GKID5K7

pith:2012:4GKID5K7UULIWNIY32TNXFKNXP

not attested not anchored not stored refs pending

Projective normality of Artin-Schreier curves

Alberto Ravagnani, Edoardo Ballico

arxiv:1205.5420 v5 · 2012-05-24 · 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{4GKID5K7UULIWNIY32TNXFKNXP}

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	2026-05-18T03:14:17.590778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19481f55fa5168b3518dea6db954dbbdca96f442542a4d5d0a363102347d8d6

Aliases

arxiv: 1205.5420 · arxiv_version: 1205.5420v5 · doi: 10.48550/arxiv.1205.5420 · pith_short_12: 4GKID5K7UULI · pith_short_16: 4GKID5K7UULIWNIY · pith_short_8: 4GKID5K7

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/4GKID5K7UULIWNIY32TNXFKNXP \
  | 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: e19481f55fa5168b3518dea6db954dbbdca96f442542a4d5d0a363102347d8d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8dd39521dc6b6365b53daf9af01ce61cc26c18ed12d245d2b2207d05eb46d517",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2012-05-24T12:22:57Z",
    "title_canon_sha256": "b7f356943433e7d92bcba0892ab0c1ccc9f33782ad9b47f185853e8546b47805"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.5420",
    "kind": "arxiv",
    "version": 5
  }
}