Pith Number

pith:4GU2KONK

pith:2018:4GU2KONKH6OTU5XA5CDBPDJNKC

not attested not anchored not stored refs pending

Introducing Computer Science to High School Students through Logic Programming

Maritza Reyes, Timothy T. Yuen, Yuanlin Zhang

arxiv:1808.03274 v1 · 2018-08-09 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GU2KONKH6OTU5XA5CDBPDJNKC}

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	2026-05-18T00:08:27.771780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1a9a539aa3f9d3a76e0e886178d2d50ae6aeffecf88ba5629405d305c320a34

Aliases

arxiv: 1808.03274 · arxiv_version: 1808.03274v1 · doi: 10.48550/arxiv.1808.03274 · pith_short_12: 4GU2KONKH6OT · pith_short_16: 4GU2KONKH6OTU5XA · pith_short_8: 4GU2KONK

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/4GU2KONKH6OTU5XA5CDBPDJNKC \
  | 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: e1a9a539aa3f9d3a76e0e886178d2d50ae6aeffecf88ba5629405d305c320a34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "941709ac4ed84e90c86f3846d7368c95eadb453d0c13505426c078d2cf7e271e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-08-09T15:11:50Z",
    "title_canon_sha256": "ce67b4af39dc8f23e8bcf62382b2bf3d4e40805a62a49e471d2e1c837bec1048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03274",
    "kind": "arxiv",
    "version": 1
  }
}