Pith Number

pith:BU6SPPAJ

pith:2015:BU6SPPAJHV52WF26KANUMPEHK6

not attested not anchored not stored refs pending

An extensional Kleene realizability semantics for the Minimalist Foundation

Maria Emilia Maietti, Samuele Maschio

arxiv:1502.02864 v2 · 2015-02-10 · 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{BU6SPPAJHV52WF26KANUMPEHK6}

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	2026-05-18T02:17:00.516702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d3d27bc093d7bab175e501b463c8757b7b30b3d7d76aabf510c101e17fa2b36

Aliases

arxiv: 1502.02864 · arxiv_version: 1502.02864v2 · doi: 10.48550/arxiv.1502.02864 · pith_short_12: BU6SPPAJHV52 · pith_short_16: BU6SPPAJHV52WF26 · pith_short_8: BU6SPPAJ

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/BU6SPPAJHV52WF26KANUMPEHK6 \
  | 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: 0d3d27bc093d7bab175e501b463c8757b7b30b3d7d76aabf510c101e17fa2b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33a190d40c90fb43c4dfa731d9611c8bffa35a93e8dc0d344a37ef5cd248ac18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-02-10T11:19:51Z",
    "title_canon_sha256": "512badb2d9884c1b4aeaca0350ab95afb1b99d98bef701379b3ab5aa3c5d6a63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02864",
    "kind": "arxiv",
    "version": 2
  }
}