Pith Number

pith:DH67VRWK

pith:2019:DH67VRWK7UPT5DKZSN6VYYNQPF

not attested not anchored not stored refs pending

Crepant resolutions and Hilb^G(C^4) for certain abelian subgroups for SL(4,C)

Y.Sato

arxiv:1905.06244 v2 · 2019-05-15 · 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{DH67VRWK7UPT5DKZSN6VYYNQPF}

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	2026-05-17T23:44:28.523383Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19fdfac6cafd1f3e8d59937d5c61b079586caf5e2d7d776e698bdc8d430d7f67

Aliases

arxiv: 1905.06244 · arxiv_version: 1905.06244v2 · doi: 10.48550/arxiv.1905.06244 · pith_short_12: DH67VRWK7UPT · pith_short_16: DH67VRWK7UPT5DKZ · pith_short_8: DH67VRWK

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/DH67VRWK7UPT5DKZSN6VYYNQPF \
  | 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: 19fdfac6cafd1f3e8d59937d5c61b079586caf5e2d7d776e698bdc8d430d7f67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc81f9cc53e82da488b2f8b202cd81af13999b8a5b9e0afbebb45ea1bb441a39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-05-15T15:26:48Z",
    "title_canon_sha256": "9569e8d63942c94773f7157d2c79a9716feb6dad02c42e57d62ca7c3737f76a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06244",
    "kind": "arxiv",
    "version": 2
  }
}