Pith Number

pith:EGRKMBMQ

pith:2019:EGRKMBMQLP2CWQAZ3RSX6KTBMD

not attested not anchored not stored refs pending

The Kodaira dimension and singularities of moduli of stable sheaves on some elliptic surfaces

Kimiko Yamada

arxiv:1908.05027 v3 · 2019-08-14 · 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{EGRKMBMQLP2CWQAZ3RSX6KTBMD}

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	2026-07-05T02:18:03.483764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a2a605905bf42b4019dc657f2a6160e914127ef6e2677cfe9777b1ad816213

Aliases

arxiv: 1908.05027 · arxiv_version: 1908.05027v3 · doi: 10.48550/arxiv.1908.05027 · pith_short_12: EGRKMBMQLP2C · pith_short_16: EGRKMBMQLP2CWQAZ · pith_short_8: EGRKMBMQ

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/EGRKMBMQLP2CWQAZ3RSX6KTBMD \
  | 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: 21a2a605905bf42b4019dc657f2a6160e914127ef6e2677cfe9777b1ad816213

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b32ec080d8f96bcfd186e808ad63c9f10d8964cef8bb20149453f56cb1c1def3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-08-14T09:07:12Z",
    "title_canon_sha256": "fd8a8c7d646fc794bb8b7bd6d48006329afe62e4e7c9a09e9b1f63f4a399ee9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05027",
    "kind": "arxiv",
    "version": 3
  }
}