Pith Number

pith:UPC4OSJ3

pith:2026:UPC4OSJ3XVB7QBOTR55XX4JZJI

not attested not anchored not stored refs pending

The relation type of point configurations in the projective plane

Abbas Nasrollah Nejad, Amir Mohammad Kach khaali, Ethan Cotterill

arxiv:2606.07975 v1 · 2026-06-06 · math.AC · 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{UPC4OSJ3XVB7QBOTR55XX4JZJI}

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	2026-06-09T01:04:56.963811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c5c7493bbd43f805d38f7b7bf1394a3a47014f21359c4adf647374e20cd5ae

Aliases

arxiv: 2606.07975 · arxiv_version: 2606.07975v1 · doi: 10.48550/arxiv.2606.07975 · pith_short_12: UPC4OSJ3XVB7 · pith_short_16: UPC4OSJ3XVB7QBOT · pith_short_8: UPC4OSJ3

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/UPC4OSJ3XVB7QBOTR55XX4JZJI \
  | 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: a3c5c7493bbd43f805d38f7b7bf1394a3a47014f21359c4adf647374e20cd5ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d0d4f15f8b0950e60128742f81ade3eb1363946ca1c0599695a50e83ff527c8",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2026-06-06T04:28:18Z",
    "title_canon_sha256": "a50876597be5c3d1103067cb57c16a4e38360efa7d97ed2e04da149169004c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.07975",
    "kind": "arxiv",
    "version": 1
  }
}