Pith Number

pith:URPHCMMH

pith:2026:URPHCMMHYHS6VUE6XOYV6D3YRY

not attested not anchored not stored refs pending

A question on klt type varieties of Han and Jiang

Jihao Liu

arxiv:2605.22250 v1 · 2026-05-21 · 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{URPHCMMHYHS6VUE6XOYV6D3YRY}

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	2026-05-22T01:04:34.336948Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a45e713187c1e5ead09ebbb15f0f788e294b6b5a655aefa46b55e7af519eec82

Aliases

arxiv: 2605.22250 · arxiv_version: 2605.22250v1 · doi: 10.48550/arxiv.2605.22250 · pith_short_12: URPHCMMHYHS6 · pith_short_16: URPHCMMHYHS6VUE6 · pith_short_8: URPHCMMH

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/URPHCMMHYHS6VUE6XOYV6D3YRY \
  | 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: a45e713187c1e5ead09ebbb15f0f788e294b6b5a655aefa46b55e7af519eec82

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2f65fbd60a1cc3846d8ab0a19f6e65fe7b25890c93d01fa4775796f0e1741fd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-21T09:56:14Z",
    "title_canon_sha256": "d79bb991f3c362772384ce81980a7bd076b356154a54882647356372850a05b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22250",
    "kind": "arxiv",
    "version": 1
  }
}