Pith Number

pith:NRIVSQA2

pith:2026:NRIVSQA2PUMX6F5J4NTW2A7JGG

not attested not anchored not stored refs pending

The distribution of semi-integral points on a class of singular cubic hypersurfaces

Haruki Ito

arxiv:2605.22371 v1 · 2026-05-21 · 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{NRIVSQA2PUMX6F5J4NTW2A7JGG}

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	2026-05-22T01:04:40.352549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c5159401a7d197f17a9e3676d03e9319cb5c404a8723d5841e4cb1a7b5cd3fe

Aliases

arxiv: 2605.22371 · arxiv_version: 2605.22371v1 · doi: 10.48550/arxiv.2605.22371 · pith_short_12: NRIVSQA2PUMX · pith_short_16: NRIVSQA2PUMX6F5J · pith_short_8: NRIVSQA2

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/NRIVSQA2PUMX6F5J4NTW2A7JGG \
  | 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: 6c5159401a7d197f17a9e3676d03e9319cb5c404a8723d5841e4cb1a7b5cd3fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ce9e6b3cfbbca951d159781ce8836f3a808116ecca4bfd9400a222333d9e76d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2026-05-21T12:02:33Z",
    "title_canon_sha256": "ac45de047c8168429628bac3dbe4b7d97b9a38138e3b91b583d64e63beb70804"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22371",
    "kind": "arxiv",
    "version": 1
  }
}