Pith Number

pith:23EPWUNX

pith:2024:23EPWUNX2NOYLTMVMWWOK5TXRT

not attested not anchored not stored refs pending

Sums of Hurwitz class numbers, CM modular forms, and primes of the form $x^2+ny^2$

Mikul\'a\v{s} Zindulka

arxiv:2405.07565 v1 · 2024-05-13 · 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{23EPWUNX2NOYLTMVMWWOK5TXRT}

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	2026-07-05T08:18:24.796501Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6c8fb51b7d35d85cd9565ace576778cdb5d962eb02f113d1c5dbde86585b2ec

Aliases

arxiv: 2405.07565 · arxiv_version: 2405.07565v1 · doi: 10.48550/arxiv.2405.07565 · pith_short_12: 23EPWUNX2NOY · pith_short_16: 23EPWUNX2NOYLTMV · pith_short_8: 23EPWUNX

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/23EPWUNX2NOYLTMVMWWOK5TXRT \
  | 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: d6c8fb51b7d35d85cd9565ace576778cdb5d962eb02f113d1c5dbde86585b2ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17f76bc10f2df176b3523e373c8da31745d4084bf18e49bc7c4cf230ff8af396",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2024-05-13T09:02:41Z",
    "title_canon_sha256": "a25c43f1ad76c6d3847e6b3cd4ce85674bbe594fa15a002657776d31bd3e3085"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.07565",
    "kind": "arxiv",
    "version": 1
  }
}