Pith Number

pith:JFGHS2GU

pith:2015:JFGHS2GUFEHI5EUKT5MQUOSZ7W

not attested not anchored not stored refs pending

The decision problem for a three-sorted fragment of set theory with restricted quantification and finite enumerations

Domenico Cantone, Marianna Nicolosi-Asmundo

arxiv:1506.01476 v1 · 2015-06-04 · cs.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{JFGHS2GUFEHI5EUKT5MQUOSZ7W}

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	2026-05-18T01:57:41.334814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

494c7968d4290e8e928a9f590a3a59fd9810f84847e50b50a979c40e2e44c8ff

Aliases

arxiv: 1506.01476 · arxiv_version: 1506.01476v1 · doi: 10.48550/arxiv.1506.01476 · pith_short_12: JFGHS2GUFEHI · pith_short_16: JFGHS2GUFEHI5EUK · pith_short_8: JFGHS2GU

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/JFGHS2GUFEHI5EUKT5MQUOSZ7W \
  | 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: 494c7968d4290e8e928a9f590a3a59fd9810f84847e50b50a979c40e2e44c8ff

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad8738631a3508acd5ee005b551ad98f146f8d921abf4561d7caf6f6aa4f4fbe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2015-06-04T06:54:54Z",
    "title_canon_sha256": "fa975a4baa800b00e179f40465e4c4a43a0b58fd54ba3af2cf94ff53771b2ee4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01476",
    "kind": "arxiv",
    "version": 1
  }
}