Pith Number

pith:OLGQ7JL7

pith:2025:OLGQ7JL7GIDSW7USMR2NTI64IX

not attested not anchored not stored refs pending

Extendability of the $B_2$-arrangement

Shota Maehara, Sven Wiesner, Torsten Hoge

arxiv:2506.02512 v1 · 2025-06-03 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OLGQ7JL7GIDSW7USMR2NTI64IX}

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	2026-07-05T11:15:03.439395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72cd0fa57f32072b7e926474d9a3dc45d571ac7716b11c51a07f19e052b1af4c

Aliases

arxiv: 2506.02512 · arxiv_version: 2506.02512v1 · doi: 10.48550/arxiv.2506.02512 · pith_short_12: OLGQ7JL7GIDS · pith_short_16: OLGQ7JL7GIDSW7US · pith_short_8: OLGQ7JL7

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/OLGQ7JL7GIDSW7USMR2NTI64IX \
  | 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: 72cd0fa57f32072b7e926474d9a3dc45d571ac7716b11c51a07f19e052b1af4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a44f807083877c3ddff0aa8ad9a7a5bf3b62d8c2ceca8f1e3f68bccb98b0305c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-06-03T06:43:27Z",
    "title_canon_sha256": "17bd0c0ca8d9186c19a15b0664202d402eda37d18075ef50b5d3b7de6c363b56"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02512",
    "kind": "arxiv",
    "version": 1
  }
}