Pith Number

pith:VMMLJM3W

pith:2026:VMMLJM3W5TFICO334UWZYGQOPA

not attested not anchored not stored refs pending

A Computational Toolkit for Engagement and Scalable Assessment in a Large Logic Course

Stephen M. Watt

arxiv:2606.02367 v1 · 2026-06-01 · 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{VMMLJM3W5TFICO334UWZYGQOPA}

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	2026-06-02T03:04:57.229212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab18b4b376ecca813b7be52d9c1a0e7831ca386280a4fa25f7fbccbc8b2879db

Aliases

arxiv: 2606.02367 · arxiv_version: 2606.02367v1 · doi: 10.48550/arxiv.2606.02367 · pith_short_12: VMMLJM3W5TFI · pith_short_16: VMMLJM3W5TFICO33 · pith_short_8: VMMLJM3W

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/VMMLJM3W5TFICO334UWZYGQOPA \
  | 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: ab18b4b376ecca813b7be52d9c1a0e7831ca386280a4fa25f7fbccbc8b2879db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70894509abfa9ec991d113de18fd234e1d5b364a91e76aa3177118e9fc6b59cb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2026-06-01T15:14:11Z",
    "title_canon_sha256": "321b770849df7ef6105f2fb5a65ceeb6ce2df7987b6eac50c8586a7a4a7e18a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02367",
    "kind": "arxiv",
    "version": 1
  }
}