Pith Number

pith:WQEY6YTO

pith:2026:WQEY6YTOSDFO5HL5ZAJAR5LOG4

not attested not anchored not stored refs pending

Combinatorial manifolds and Kleene's theorem, homotopically

Yorgo Chamoun

arxiv:2605.21142 v1 · 2026-05-20 · math.CT · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WQEY6YTOSDFO5HL5ZAJAR5LOG4}

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	2026-05-21T01:05:39.612866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4098f626e90caee9d7dc81208f56e37120ca1dfd069823b4662800acb75bfb1

Aliases

arxiv: 2605.21142 · arxiv_version: 2605.21142v1 · doi: 10.48550/arxiv.2605.21142 · pith_short_12: WQEY6YTOSDFO · pith_short_16: WQEY6YTOSDFO5HL5 · pith_short_8: WQEY6YTO

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/WQEY6YTOSDFO5HL5ZAJAR5LOG4 \
  | 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: b4098f626e90caee9d7dc81208f56e37120ca1dfd069823b4662800acb75bfb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a8742dd332577023930372908ad17cfe841b5c67a25fbc4c8f8e2641eec32b0d",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2026-05-20T13:18:09Z",
    "title_canon_sha256": "01c6271649e982378c6fa60ad74826b199efc8aff05d60232c2158e69e40adcb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21142",
    "kind": "arxiv",
    "version": 1
  }
}