Pith Number

pith:W74G5RKP

pith:2010:W74G5RKPY3W3QJR4WH4TKUXNAJ

not attested not anchored not stored refs pending

Hessian K3 surfaces of non-Sylvester type

Kenji Koike

arxiv:1006.3617 v1 · 2010-06-18 · 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{W74G5RKPY3W3QJR4WH4TKUXNAJ}

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	2026-05-18T04:02:13.744135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7f86ec54fc6edb8263cb1f93552ed02713b299ce2902ffd26a856c678ce3e88

Aliases

arxiv: 1006.3617 · arxiv_version: 1006.3617v1 · doi: 10.48550/arxiv.1006.3617 · pith_short_12: W74G5RKPY3W3 · pith_short_16: W74G5RKPY3W3QJR4 · pith_short_8: W74G5RKP

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/W74G5RKPY3W3QJR4WH4TKUXNAJ \
  | 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: b7f86ec54fc6edb8263cb1f93552ed02713b299ce2902ffd26a856c678ce3e88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09bed1c9f30b10324c58e55365b233eb06b56b7cbbe843959abafe0a91f3d387",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-06-18T06:35:41Z",
    "title_canon_sha256": "b0df9f00ce0db9ca2ac22fc46d62c4dd4e8c39754a1445709c21a07478e2a664"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1006.3617",
    "kind": "arxiv",
    "version": 1
  }
}