Pith Number

pith:UCO474PT

pith:2020:UCO474PTWHLUEXUIMIFYHNVVXU

not attested not anchored not stored refs pending

Codimension two integral points on some rationally connected threefolds are potentially dense

David McKinnon, Mike Roth

arxiv:2002.04961 v1 · 2020-02-12 · 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{UCO474PTWHLUEXUIMIFYHNVVXU}

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	2026-07-05T00:40:20.132886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09dcff1f3b1d7425e88620b83b6b5bd2115561fa3b085232e3f1c63606a93a7

Aliases

arxiv: 2002.04961 · arxiv_version: 2002.04961v1 · doi: 10.48550/arxiv.2002.04961 · pith_short_12: UCO474PTWHLU · pith_short_16: UCO474PTWHLUEXUI · pith_short_8: UCO474PT

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/UCO474PTWHLUEXUIMIFYHNVVXU \
  | 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: a09dcff1f3b1d7425e88620b83b6b5bd2115561fa3b085232e3f1c63606a93a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "233f83ebaeb4548df5dfa47d08b5279205ee5d49884cca5f6b856ce77d81e0f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2020-02-12T13:02:37Z",
    "title_canon_sha256": "4d458efbc27700f85025e3f5f3ab74f68b005bd6cd9af1be1168770d470c9d45"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.04961",
    "kind": "arxiv",
    "version": 1
  }
}