Pith Number

pith:2PG47U5F

pith:2019:2PG47U5FDOOMEPSGJJK4HXCPXD

not attested not anchored not stored refs pending

The Game of Tetris in Machine Learning

\"Ozg\"ur \c{S}im\c{s}ek, Sim\'on Algorta

arxiv:1905.01652 v2 · 2019-05-05 · cs.LG · 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{2PG47U5FDOOMEPSGJJK4HXCPXD}

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	2026-05-17T23:46:35.674033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3cdcfd3a51b9cc23e464a55c3dc4fb8d3d72bd66b3318b6b175169baaf8529f

Aliases

arxiv: 1905.01652 · arxiv_version: 1905.01652v2 · doi: 10.48550/arxiv.1905.01652 · pith_short_12: 2PG47U5FDOOM · pith_short_16: 2PG47U5FDOOMEPSG · pith_short_8: 2PG47U5F

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/2PG47U5FDOOMEPSGJJK4HXCPXD \
  | 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: d3cdcfd3a51b9cc23e464a55c3dc4fb8d3d72bd66b3318b6b175169baaf8529f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b09fd5c044ec87760dc659f0360505a5cb56f0b7b57ea7a01be9173ec8016366",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-05-05T11:10:46Z",
    "title_canon_sha256": "64ffd4850aa21f14d5ee355e3da4b7d06c8a2a93da9b2fd0415a253b20bcf9cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.01652",
    "kind": "arxiv",
    "version": 2
  }
}