Pith Number

pith:WI3BF5II

pith:2018:WI3BF5IIAWVTCRBXT3VTOM73QT

not attested not anchored not stored refs pending

Collapsing K3 Surfaces and Moduli Compactification

Yoshiki Oshima, Yuji Odaka

arxiv:1805.01724 v1 · 2018-05-04 · math.AG · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WI3BF5IIAWVTCRBXT3VTOM73QT}

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	2026-05-18T00:16:46.910517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b23612f50805ab3144379eeb3733fb84f40006a6d625263247a6b2fdba4407ec

Aliases

arxiv: 1805.01724 · arxiv_version: 1805.01724v1 · doi: 10.48550/arxiv.1805.01724 · pith_short_12: WI3BF5IIAWVT · pith_short_16: WI3BF5IIAWVTCRBX · pith_short_8: WI3BF5II

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/WI3BF5IIAWVTCRBXT3VTOM73QT \
  | 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: b23612f50805ab3144379eeb3733fb84f40006a6d625263247a6b2fdba4407ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2bf63f86e0cf0209cc4face3388168f762e598f426a85f64173b919ba64f6d38",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-04T11:50:30Z",
    "title_canon_sha256": "3f363c101ffabaed4ef60062afe41a9d89016753cd1e7e8e613e9ad88be5e9a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01724",
    "kind": "arxiv",
    "version": 1
  }
}