Pith Number

pith:WRZW2EN5

pith:2014:WRZW2EN56BSZ5PTZEKQSQFPFRK

not attested not anchored not stored refs pending

Degenerations of Kahlerian K3 surfaces with finite symplectic automorphism groups

Viacheslav V. Nikulin

arxiv:1403.6061 v5 · 2014-03-24 · 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{WRZW2EN56BSZ5PTZEKQSQFPFRK}

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	2026-05-18T01:31:46.706214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4736d11bdf0659ebe7922a12815e58abf233301f14a1fbcfe08e2ebde415d0e

Aliases

arxiv: 1403.6061 · arxiv_version: 1403.6061v5 · doi: 10.48550/arxiv.1403.6061 · pith_short_12: WRZW2EN56BSZ · pith_short_16: WRZW2EN56BSZ5PTZ · pith_short_8: WRZW2EN5

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/WRZW2EN56BSZ5PTZEKQSQFPFRK \
  | 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: b4736d11bdf0659ebe7922a12815e58abf233301f14a1fbcfe08e2ebde415d0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c48ba355b6d03039b71f21e0e78a979f56b2f4c08e377e6844fb45057d0a2087",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-03-24T17:56:03Z",
    "title_canon_sha256": "e529224a90dd4d30fe50c85490d2d12500d2223c92c1b0b049157f4b3df0870e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.6061",
    "kind": "arxiv",
    "version": 5
  }
}