Pith Number

pith:J2VVSIEB

pith:2018:J2VVSIEBRMFFVDETDWQSQ77BDE

not attested not anchored not stored refs pending

Finiteness theorems for K3 surfaces over arbitrary fields

Adam Logan, Martin Bright, Ronald van Luijk

arxiv:1810.04905 v3 · 2018-10-11 · math.AG · 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{J2VVSIEBRMFFVDETDWQSQ77BDE}

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	2026-05-17T23:46:29.817279Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4eab5920818b0a5a8c931da1287fe11915adb6b4d9ccf9f40b70ab5ebc955644

Aliases

arxiv: 1810.04905 · arxiv_version: 1810.04905v3 · doi: 10.48550/arxiv.1810.04905 · pith_short_12: J2VVSIEBRMFF · pith_short_16: J2VVSIEBRMFFVDET · pith_short_8: J2VVSIEB

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/J2VVSIEBRMFFVDETDWQSQ77BDE \
  | 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: 4eab5920818b0a5a8c931da1287fe11915adb6b4d9ccf9f40b70ab5ebc955644

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c832983d8867289140c474fa84d1be92239ec69ef361d725d79f4764b1322921",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-10-11T08:46:40Z",
    "title_canon_sha256": "cdc4b769b57f4d8272124fdee90b820fc9078b8cd386c87dc65ad60bfcad6199"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04905",
    "kind": "arxiv",
    "version": 3
  }
}