Pith Number

pith:4SFE2UMG

pith:2019:4SFE2UMGKCJNO3CTCPQVLAFLW6

not attested not anchored not stored refs pending

Non normal logics: semantic analysis and proof theory

Alessandra Palmigiano, Apostolos Tzimoulis, Giuseppe Greco, Jinsheng Chen

arxiv:1903.04868 v1 · 2019-03-12 · 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{4SFE2UMGKCJNO3CTCPQVLAFLW6}

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.

Cited by

1 paper in Pith

Vector spaces as Kripke frames

Receipt and verification

First computed	2026-07-05T00:13:13.873866Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e48a4d51865092d76c5313e15580abb7943b0e7a4cf16ea915aa56cd94e8bc0d

Aliases

arxiv: 1903.04868 · arxiv_version: 1903.04868v1 · doi: 10.48550/arxiv.1903.04868 · pith_short_12: 4SFE2UMGKCJN · pith_short_16: 4SFE2UMGKCJNO3CT · pith_short_8: 4SFE2UMG

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/4SFE2UMGKCJNO3CTCPQVLAFLW6 \
  | 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: e48a4d51865092d76c5313e15580abb7943b0e7a4cf16ea915aa56cd94e8bc0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2ca4deb37757dba68f2046812001bc36a99e7825745132db1fc784ef768f7a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-03-12T12:28:48Z",
    "title_canon_sha256": "849975b8afd404d41e7c2865b1d2fbbf4e700f77b2ddbc03a25e86d4b6f1fe18"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04868",
    "kind": "arxiv",
    "version": 1
  }
}