Pith Number

pith:3FGIKDXX

pith:2016:3FGIKDXXOG3M4FYI4NIPJTZKNJ

not attested not anchored not stored refs pending

The $a$-numbers of Fermat and Hurwitz curves

Maria Montanucci, Pietro Speziali

arxiv:1603.03604 v1 · 2016-03-11 · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3FGIKDXXOG3M4FYI4NIPJTZKNJ}

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	2026-05-18T01:19:15.198172Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d94c850ef771b6ce1708e350f4cf2a6a58fe277d1038ecf6bf97461d1efd8f4a

Aliases

arxiv: 1603.03604 · arxiv_version: 1603.03604v1 · doi: 10.48550/arxiv.1603.03604 · pith_short_12: 3FGIKDXXOG3M · pith_short_16: 3FGIKDXXOG3M4FYI · pith_short_8: 3FGIKDXX

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/3FGIKDXXOG3M4FYI4NIPJTZKNJ \
  | 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: d94c850ef771b6ce1708e350f4cf2a6a58fe277d1038ecf6bf97461d1efd8f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6f1cdd5f20cf5e5ce5a2b74d0a8801dbc757a9798248bd3f5feb4721fac3f11d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2016-03-11T11:59:19Z",
    "title_canon_sha256": "cfa25ea860a292de5a8e96e4650114dc44d8374c666190f1fac16d42020e24f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03604",
    "kind": "arxiv",
    "version": 1
  }
}