Pith Number

pith:QBFVFO37

pith:2017:QBFVFO375HJZBPDK35RPLS42KX

not attested not anchored not stored refs pending

Logic Programming for an Introductory Computer Science Course for High School Students

Maritz Reyes, Timothy Yuen, Yuanlin Zhang

arxiv:1706.09248 v1 · 2017-06-20 · cs.CY · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBFVFO375HJZBPDK35RPLS42KX}

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	2026-05-18T00:41:19.269547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

804b52bb7fe9d390bc6adf62f5cb9a55ecf2d58a50208a210bcf4cd27f2f8ee2

Aliases

arxiv: 1706.09248 · arxiv_version: 1706.09248v1 · doi: 10.48550/arxiv.1706.09248 · pith_short_12: QBFVFO375HJZ · pith_short_16: QBFVFO375HJZBPDK · pith_short_8: QBFVFO37

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/QBFVFO375HJZBPDK35RPLS42KX \
  | 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: 804b52bb7fe9d390bc6adf62f5cb9a55ecf2d58a50208a210bcf4cd27f2f8ee2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6af78108cc7ff6d4509685892e7e05c2f97d67bdc101af2b0dbdfc74a243e19",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2017-06-20T12:18:33Z",
    "title_canon_sha256": "e39f01fbf9a596910760e2f1b5028a959bc3929a6978249cab949b558cc47ba7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09248",
    "kind": "arxiv",
    "version": 1
  }
}