Pith Number

pith:Q2DOQ7UP

pith:2026:Q2DOQ7UP24WSTJ7E3QHHHPSFKP

not attested not anchored not stored refs pending

Geometric fields, ranks, and generic derivations

Angus Matthews, Antongiulio Fornasiero, Elliot Kaplan

arxiv:2605.22725 v1 · 2026-05-21 · 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{Q2DOQ7UP24WSTJ7E3QHHHPSFKP}

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	2026-05-22T02:04:52.074055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8686e87e8fd72d29a7e4dc0e73be4553cc2fc30b803495556440fc5f108f0c0b

Aliases

arxiv: 2605.22725 · arxiv_version: 2605.22725v1 · doi: 10.48550/arxiv.2605.22725 · pith_short_12: Q2DOQ7UP24WS · pith_short_16: Q2DOQ7UP24WSTJ7E · pith_short_8: Q2DOQ7UP

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/Q2DOQ7UP24WSTJ7E3QHHHPSFKP \
  | 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: 8686e87e8fd72d29a7e4dc0e73be4553cc2fc30b803495556440fc5f108f0c0b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd9c033cca2008422f7c66149259f27f7e112ee188d2f2dd0c832b121ed16991",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-05-21T16:57:55Z",
    "title_canon_sha256": "7dae470115572b4211cd1411ff2ff45b8fe1c17ea762b53a3cdd4f51a7ef8f96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.22725",
    "kind": "arxiv",
    "version": 1
  }
}