Pith Number

pith:AGOTRJUE

pith:2020:AGOTRJUEKFEQ2FVLLEETWHZYJT

not attested not anchored not stored refs pending

New rational cubic fourfolds arising from Cremona transformations

Kuan-Wen Lai, Yu-Wei Fan

arxiv:2003.00366 v2 · 2020-02-29 · 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{AGOTRJUEKFEQ2FVLLEETWHZYJT}

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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

2 papers in Pith

Kuznetsov components and transcendental motives of cubic fourfolds

Kuznetsov components ans transcendental motives of cubic fourfolds

Receipt and verification

First computed	2026-07-05T06:15:40.605834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

019d38a68451490d16ab59093b1f384cee07169604a5a40036c2cb3e334eea04

Aliases

arxiv: 2003.00366 · arxiv_version: 2003.00366v2 · doi: 10.48550/arxiv.2003.00366 · pith_short_12: AGOTRJUEKFEQ · pith_short_16: AGOTRJUEKFEQ2FVL · pith_short_8: AGOTRJUE

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/AGOTRJUEKFEQ2FVLLEETWHZYJT \
  | 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: 019d38a68451490d16ab59093b1f384cee07169604a5a40036c2cb3e334eea04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50a546e3457ea67d3f3a8b8a43ef37ca71207dd82a17cfbe5553e62957a6a7d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-02-29T23:53:31Z",
    "title_canon_sha256": "7868445c746518057bcf1a871e1389211ea557a73584e6c1ea3e3b3c6095331a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.00366",
    "kind": "arxiv",
    "version": 2
  }
}