Pith Number

pith:WHG5HKQV

pith:2015:WHG5HKQVZQ2JFIM7XDYVKJMA5D

not attested not anchored not stored refs pending

Structure and Categoricity: Determinacy of Reference and Truth-Value in the Philosophy of Mathematics

Sean Walsh, Tim Button

arxiv:1501.00472 v2 · 2015-01-02 · math.HO · 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{WHG5HKQVZQ2JFIM7XDYVKJMA5D}

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	2026-05-18T01:20:01.844653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1cdd3aa15cc3492a19fb8f1552580e8c036ea80c5c144025194b3c46946343c

Aliases

arxiv: 1501.00472 · arxiv_version: 1501.00472v2 · doi: 10.48550/arxiv.1501.00472 · pith_short_12: WHG5HKQVZQ2J · pith_short_16: WHG5HKQVZQ2JFIM7 · pith_short_8: WHG5HKQV

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/WHG5HKQVZQ2JFIM7XDYVKJMA5D \
  | 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: b1cdd3aa15cc3492a19fb8f1552580e8c036ea80c5c144025194b3c46946343c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36b10ce3393f904a26d7a2cf78753080482f8f09cb1a132b7c4e0685464e26ed",
    "cross_cats_sorted": [
      "math.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2015-01-02T20:04:49Z",
    "title_canon_sha256": "97ece8fc14a1084ced60dd051890d98346663a9985ab0cd331ccd8f731471dfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.00472",
    "kind": "arxiv",
    "version": 2
  }
}