Pith Number

pith:OWHGKR7X

pith:2018:OWHGKR7XISLK7KK4IRQXAU5662

not attested not anchored not stored refs pending

A formula for jumping numbers in a two-dimensional regular local ring

Eero Hyry, Tarmo J\"arvilehto

arxiv:1809.08845 v1 · 2018-09-24 · math.AC · 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{OWHGKR7XISLK7KK4IRQXAU5662}

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	2026-05-18T00:05:03.391286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

758e6547f74496afa95c44617053bef692c23a7689f40ba2d1ac187f7e4c382c

Aliases

arxiv: 1809.08845 · arxiv_version: 1809.08845v1 · doi: 10.48550/arxiv.1809.08845 · pith_short_12: OWHGKR7XISLK · pith_short_16: OWHGKR7XISLK7KK4 · pith_short_8: OWHGKR7X

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/OWHGKR7XISLK7KK4IRQXAU5662 \
  | 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: 758e6547f74496afa95c44617053bef692c23a7689f40ba2d1ac187f7e4c382c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "302c9e855a4ab9f67ca9f019d79256f7cef77cb43809c9f0826c49c402926108",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-09-24T11:15:01Z",
    "title_canon_sha256": "5f1e53c81712f85b536d0bc7e3a539ee96f840f9f520017ef014c85dc9c490a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08845",
    "kind": "arxiv",
    "version": 1
  }
}