Pith Number

pith:K2ZWXIGU

pith:2006:K2ZWXIGUXY7VRWATJHYANGUCIM

not attested not anchored not stored refs pending

Cubic threefolds and abelian varieties of dimension five. II

Sebastian Casalaina-Martin

arxiv:math/0605666 v2 · 2006-05-25 · 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{K2ZWXIGUXY7VRWATJHYANGUCIM}

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	2026-05-18T02:24:58.084603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

56b36ba0d4be3f58d81349f0069a8243087ec31a5e295310799182499d929899

Aliases

arxiv: math/0605666 · arxiv_version: math/0605666v2 · doi: 10.48550/arxiv.math/0605666 · pith_short_12: K2ZWXIGUXY7V · pith_short_16: K2ZWXIGUXY7VRWAT · pith_short_8: K2ZWXIGU

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/K2ZWXIGUXY7VRWATJHYANGUCIM \
  | 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: 56b36ba0d4be3f58d81349f0069a8243087ec31a5e295310799182499d929899

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b9507ccbd46be8f622dda03ac82c8a8f40c90c11e094d5b88a44df105fa0054",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2006-05-25T16:39:56Z",
    "title_canon_sha256": "c52181ce643df95b83874ca480181890155108799d69b94e1974527b9a88bb68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0605666",
    "kind": "arxiv",
    "version": 2
  }
}