Pith Number

pith:RXG2PFLV

pith:2025:RXG2PFLVKIBX7UP5XMCSKHRPYN

not attested not anchored not stored refs pending

On generic $\Delta$-modular integer matrices with two rows

Bj\"orn Kriepke, Matthias Schymura

arxiv:2502.15394 v2 · 2025-02-21 · 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{RXG2PFLVKIBX7UP5XMCSKHRPYN}

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	2026-07-05T10:40:17.122454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dcda7957552037fd1fdbb05251e2fc34cc9adb443339110586dadf38d93369e

Aliases

arxiv: 2502.15394 · arxiv_version: 2502.15394v2 · doi: 10.48550/arxiv.2502.15394 · pith_short_12: RXG2PFLVKIBX · pith_short_16: RXG2PFLVKIBX7UP5 · pith_short_8: RXG2PFLV

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/RXG2PFLVKIBX7UP5XMCSKHRPYN \
  | 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: 8dcda7957552037fd1fdbb05251e2fc34cc9adb443339110586dadf38d93369e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28cd435697158ef746403ab831b56110435b453c2b4f46aa0b4b8efb4155fb47",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-02-21T11:42:18Z",
    "title_canon_sha256": "e499ce56979ee5de2c5bdc71519dea6fdf743e03f0c1bb155da3cc5ce7d0fe8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15394",
    "kind": "arxiv",
    "version": 2
  }
}