Pith Number

pith:LJZXNR7I

pith:2026:LJZXNR7IUD73M4MSQHCDJFNWSQ

not attested not anchored not stored refs pending

On unirational varieties with poset parameterizations

Liam Solus, Marina Garrote-L\'opez, Nataliia Kushnerchuk

arxiv:2607.17777 v1 · 2026-07-20 · math.CO · 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{LJZXNR7IUD73M4MSQHCDJFNWSQ}

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	2026-07-21T02:21:59.647757Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7376c7e8a0ffb6719281c43495b6941d64a2967693260032e68f5f51f7ae76

Aliases

arxiv: 2607.17777 · arxiv_version: 2607.17777v1 · doi: 10.48550/arxiv.2607.17777 · pith_short_12: LJZXNR7IUD73 · pith_short_16: LJZXNR7IUD73M4MS · pith_short_8: LJZXNR7I

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/LJZXNR7IUD73M4MSQHCDJFNWSQ \
  | 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: 5a7376c7e8a0ffb6719281c43495b6941d64a2967693260032e68f5f51f7ae76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "667babf6063862f22ebefdccf397691651897db04e389c01b01718c6a3a0b08d",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-07-20T10:08:47Z",
    "title_canon_sha256": "655f11160e19168ee7d3739cf7963ae95f2c484e238e014c355e4b37df877f1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17777",
    "kind": "arxiv",
    "version": 1
  }
}