Pith Number

pith:OJGK56DJ

pith:2026:OJGK56DJ7XUCQZES7ZPIR5VT74

not attested not anchored not stored refs pending

Intuitionistic Justification Logic, Semantically

Ian Shillito (University of Birmingham), Paaras Padhiar (University of Birmingham), Sonia Marin (University of Birmingham)

arxiv:2606.31884 v1 · 2026-06-30 · 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{OJGK56DJ7XUCQZES7ZPIR5VT74}

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	2026-07-01T01:18:18.407967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

724caef869fde8286492fe5e88f6b3ff1fcce0ec84c69ae4bfa917391fe6ad60

Aliases

arxiv: 2606.31884 · arxiv_version: 2606.31884v1 · doi: 10.48550/arxiv.2606.31884 · pith_short_12: OJGK56DJ7XUC · pith_short_16: OJGK56DJ7XUCQZES · pith_short_8: OJGK56DJ

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/OJGK56DJ7XUCQZES7ZPIR5VT74 \
  | 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: 724caef869fde8286492fe5e88f6b3ff1fcce0ec84c69ae4bfa917391fe6ad60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66b90c3bb9672c9b90a87b94b322861b3375a4b405785b71e0a562e4354a71c8",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-30T16:00:21Z",
    "title_canon_sha256": "c4265996fbcaa62d5cd8af8cbb9fc290ed1813f55700ba71a891a39c4fdc14f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31884",
    "kind": "arxiv",
    "version": 1
  }
}