Pith Number

pith:FGHJWG7M

pith:2015:FGHJWG7ME5IJHGY7HGHRSHC5TM

not attested not anchored not stored refs pending

Degenerations of Kahlerian K3 surfaces with finite symplectic automorphism groups, II

Viacheslav V. Nikulin

arxiv:1504.00326 v4 · 2015-04-01 · 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{FGHJWG7ME5IJHGY7HGHRSHC5TM}

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	2026-05-18T01:11:41.401711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

298e9b1bec2750939b1f398f191c5d9b1422308df406ce430852a7acae509bdc

Aliases

arxiv: 1504.00326 · arxiv_version: 1504.00326v4 · doi: 10.48550/arxiv.1504.00326 · pith_short_12: FGHJWG7ME5IJ · pith_short_16: FGHJWG7ME5IJHGY7 · pith_short_8: FGHJWG7M

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/FGHJWG7ME5IJHGY7HGHRSHC5TM \
  | 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: 298e9b1bec2750939b1f398f191c5d9b1422308df406ce430852a7acae509bdc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "590b9c73e3bfe60a6eb5b679fe068c6f7fdb3a74be776991ab1d7ef241b3686d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-04-01T18:14:41Z",
    "title_canon_sha256": "4daf00a062a2a3757f94353423ec141f57700f1156ac219db41e13f74cda842a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.00326",
    "kind": "arxiv",
    "version": 4
  }
}