Pith Number

pith:XIFYMJIZ

pith:2019:XIFYMJIZCHJT5BNRJPILRZES4T

not attested not anchored not stored refs pending

On certain maximal hyperelliptic curves related to Chebyshev polynomials

Jaap Top, Saeed Tafazolian

arxiv:1902.06262 v2 · 2019-02-17 · 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{XIFYMJIZCHJT5BNRJPILRZES4T}

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	2026-05-17T23:51:46.597734Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba0b86251911d33e85b14bd0b8e492e4eea8551aba3a80455f1fe73e18acc285

Aliases

arxiv: 1902.06262 · arxiv_version: 1902.06262v2 · doi: 10.48550/arxiv.1902.06262 · pith_short_12: XIFYMJIZCHJT · pith_short_16: XIFYMJIZCHJT5BNR · pith_short_8: XIFYMJIZ

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/XIFYMJIZCHJT5BNRJPILRZES4T \
  | 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: ba0b86251911d33e85b14bd0b8e492e4eea8551aba3a80455f1fe73e18acc285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c6ae929fb5621b602a46d3ad22bee50dd8fd4b7cf026a3dfa773964377a747f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-02-17T13:44:02Z",
    "title_canon_sha256": "ef42b87c1bb5777ae51b011fe603717327e4a86cfa353b3d3a5354976168e816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06262",
    "kind": "arxiv",
    "version": 2
  }
}