Pith Number

pith:UHHXOFHS

pith:2025:UHHXOFHSRL3HU3P3KFMWR7G6QO

not attested not anchored not stored refs pending

An exposition on the supersimplicity of certain expansions of the additive group of the integers

Amador Martin-Pizarro, Daniel Palac\'in

arxiv:2502.03915 v3 · 2025-02-06 · 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{UHHXOFHSRL3HU3P3KFMWR7G6QO}

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	2026-05-17T23:39:01.537272Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1cf7714f28af67a6dfb515968fcde83867b1bba85a0746f779f6e10061c0a9c

Aliases

arxiv: 2502.03915 · arxiv_version: 2502.03915v3 · doi: 10.48550/arxiv.2502.03915 · pith_short_12: UHHXOFHSRL3H · pith_short_16: UHHXOFHSRL3HU3P3 · pith_short_8: UHHXOFHS

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/UHHXOFHSRL3HU3P3KFMWR7G6QO \
  | 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: a1cf7714f28af67a6dfb515968fcde83867b1bba85a0746f779f6e10061c0a9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7314d2b1fa6f973766c7d86625bce719f76e20c8b72970053fbe25e3c08f1fc2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2025-02-06T09:46:10Z",
    "title_canon_sha256": "b904af9ad5fad3f0afed9478be190e165813666531fc49d19ad0e249bfed27a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03915",
    "kind": "arxiv",
    "version": 3
  }
}