Pith Number

pith:BXQMHMTA

pith:2014:BXQMHMTAIAD4EC3J2N4KZS7TNM

not attested not anchored not stored refs pending

A Note on the Decidability of the Necessity of Axioms

Merlin Carl

arxiv:1408.5314 v1 · 2014-08-22 · 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{BXQMHMTAIAD4EC3J2N4KZS7TNM}

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	2026-05-18T02:44:33.380518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0de0c3b2604007c20b69d378accbf36b10d2996ab42403d4e7fc23f944f32006

Aliases

arxiv: 1408.5314 · arxiv_version: 1408.5314v1 · doi: 10.48550/arxiv.1408.5314 · pith_short_12: BXQMHMTAIAD4 · pith_short_16: BXQMHMTAIAD4EC3J · pith_short_8: BXQMHMTA

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/BXQMHMTAIAD4EC3J2N4KZS7TNM \
  | 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: 0de0c3b2604007c20b69d378accbf36b10d2996ab42403d4e7fc23f944f32006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62681e211b9c0e2577d778fe76336ab0d6a47a7f90e0951d8993f266aef46b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2014-08-22T15:02:44Z",
    "title_canon_sha256": "977fef0f3e70cc7a906ca5b9b4a305598a1e6ceb62836ec5ad69ab81415b136d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5314",
    "kind": "arxiv",
    "version": 1
  }
}