Pith Number

pith:BKIC4G3U

pith:2026:BKIC4G3UOFPV4XMKN73M7IPJXI

not attested not anchored not stored refs pending

Untranscendable order types

Alberto Marcone, Garrett Ervin, Thilo Weinert

arxiv:2602.24285 v2 · 2026-02-27 · math.CO · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BKIC4G3UOFPV4XMKN73M7IPJXI}

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	2026-06-10T01:11:00.003771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a902e1b74715f5e5d8a6ff6cfa1e9ba29da1edb6fba3d109909a4fdc7fb63df

Aliases

arxiv: 2602.24285 · arxiv_version: 2602.24285v2 · doi: 10.48550/arxiv.2602.24285 · pith_short_12: BKIC4G3UOFPV · pith_short_16: BKIC4G3UOFPV4XMK · pith_short_8: BKIC4G3U

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/BKIC4G3UOFPV4XMKN73M7IPJXI \
  | 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: 0a902e1b74715f5e5d8a6ff6cfa1e9ba29da1edb6fba3d109909a4fdc7fb63df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6065a3a3b098dd5639475a836928566e0d8b9a03c55367a796cf21e8e71f7a71",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-02-27T18:57:32Z",
    "title_canon_sha256": "fd2af20b6e5bdbeb11eae7ca470bee82606f9f6ca32dae5452ea364e953e6eec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.24285",
    "kind": "arxiv",
    "version": 2
  }
}