Pith Number

pith:BNSSY5VX

pith:2026:BNSSY5VX5C5WKKFC4PKIONST6K

not attested not anchored not stored refs pending

The Purpose of Mathematics according to Plato and Augustine

Douglas J. Dailey

arxiv:2606.28461 v1 · 2026-06-26 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BNSSY5VX5C5WKKFC4PKIONST6K}

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	2026-06-30T00:15:14.885021Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b652c76b7e8bb6528a2e3d4873653f2aa7432a4518fac8c165ed03d39ef2176

Aliases

arxiv: 2606.28461 · arxiv_version: 2606.28461v1 · doi: 10.48550/arxiv.2606.28461 · pith_short_12: BNSSY5VX5C5W · pith_short_16: BNSSY5VX5C5WKKFC · pith_short_8: BNSSY5VX

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/BNSSY5VX5C5WKKFC4PKIONST6K \
  | 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: 0b652c76b7e8bb6528a2e3d4873653f2aa7432a4518fac8c165ed03d39ef2176

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9eef7ae6ba633918957a965d9464fa89c6efa59192414787804f52889d33b905",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-06-26T13:05:57Z",
    "title_canon_sha256": "7332efc8ed6279c3e286735d1a134b2129b0e46e9d19e5f644c96be411e44ecc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.28461",
    "kind": "arxiv",
    "version": 1
  }
}