Pith Number

pith:CQLJH5ZX

pith:2017:CQLJH5ZXADCPSF2O6KXZXL5RDK

not attested not anchored not stored refs pending

Easy over Hard: A Case Study on Deep Learning

Tim Menzies, Wei Fu

arxiv:1703.00133 v2 · 2017-03-01 · cs.SE · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQLJH5ZXADCPSF2O6KXZXL5RDK}

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	2026-05-18T00:41:47.730416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

141693f73700c4f9174ef2af9bafb11aadc54c1455d2091ed21f05a0ace2c47b

Aliases

arxiv: 1703.00133 · arxiv_version: 1703.00133v2 · doi: 10.48550/arxiv.1703.00133 · pith_short_12: CQLJH5ZXADCP · pith_short_16: CQLJH5ZXADCPSF2O · pith_short_8: CQLJH5ZX

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/CQLJH5ZXADCPSF2O6KXZXL5RDK \
  | 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: 141693f73700c4f9174ef2af9bafb11aadc54c1455d2091ed21f05a0ace2c47b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9954097f5d74eca9140660e2e34ff46c5ef6c2d5f8afb78ba0e8a28439a553e",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-03-01T04:38:35Z",
    "title_canon_sha256": "5f4c7aa1757a9499d97d3fdba7fa1b256bf401c57c5c7fbcb4b6a467624d2772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00133",
    "kind": "arxiv",
    "version": 2
  }
}