Pith Number

pith:YNMANAFO

pith:2026:YNMANAFOD2W3M65HDZJA4IJQW6

not attested not anchored not stored refs pending

A Category-theoretic Reconstruction of Logical Expressivism

Kristopher Brown

arxiv:2605.24796 v1 · 2026-05-24 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNMANAFOD2W3M65HDZJA4IJQW6}

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	2026-05-26T01:03:58.805859Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3580680ae1eadb67ba71e520e2130b7b08eb37b3c00ff4585d9aa8539d1252b

Aliases

arxiv: 2605.24796 · arxiv_version: 2605.24796v1 · doi: 10.48550/arxiv.2605.24796 · pith_short_12: YNMANAFOD2W3 · pith_short_16: YNMANAFOD2W3M65H · pith_short_8: YNMANAFO

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/YNMANAFOD2W3M65HDZJA4IJQW6 \
  | 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: c3580680ae1eadb67ba71e520e2130b7b08eb37b3c00ff4585d9aa8539d1252b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73e2291e1a5b940d4e12532b8abd0aeeb59736f60b1afecbc89de5b0428b0485",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2026-05-24T00:45:00Z",
    "title_canon_sha256": "8b2369545873312ad57dd88eab26f75271c193c6006800ba94b60666f645e7a0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24796",
    "kind": "arxiv",
    "version": 1
  }
}