Pith Number

pith:HISCEJSU

pith:2023:HISCEJSUQYDRUAM4UZMTM3TVTA

not attested not anchored not stored refs pending

On the classification of singular cubic threefolds

Sasha Viktorova

arxiv:2304.10452 v2 · 2023-04-20 · 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{HISCEJSUQYDRUAM4UZMTM3TVTA}

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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.

Cited by

1 paper in Pith

Equivariant geometry of cubic threefolds with non-isolated singularities

Receipt and verification

First computed	2026-07-05T08:15:35.731137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3a2422265486071a019ca659366e7598376620f5c8f8d7db526deef59149d963

Aliases

arxiv: 2304.10452 · arxiv_version: 2304.10452v2 · doi: 10.48550/arxiv.2304.10452 · pith_short_12: HISCEJSUQYDR · pith_short_16: HISCEJSUQYDRUAM4 · pith_short_8: HISCEJSU

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/HISCEJSUQYDRUAM4UZMTM3TVTA \
  | 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: 3a2422265486071a019ca659366e7598376620f5c8f8d7db526deef59149d963

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "12ee92d9fb49b19043395207277639e9518283a99aa6f4b64e734b95532b5767",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-04-20T16:49:30Z",
    "title_canon_sha256": "7bcd0ccfb16db2cac8ce7e7d3816c999e87c747d050963f08660d93267956a87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2304.10452",
    "kind": "arxiv",
    "version": 2
  }
}