Pith Number

pith:XAXXXEPD

pith:2017:XAXXXEPDTQOOCK73NFT6PKALYO

not attested not anchored not stored refs pending

Using Bad Learners to find Good Configurations

Norbert Siegmund, Sven Apel, Tim Menzies, Vivek Nair

arxiv:1702.05701 v2 · 2017-02-19 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XAXXXEPDTQOOCK73NFT6PKALYO}

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	2026-05-18T00:35:41.676424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b82f7b91e39c1ce12bfb6967e7a80bc3ae82e5e4eee8464c98bd6fd174235dab

Aliases

arxiv: 1702.05701 · arxiv_version: 1702.05701v2 · doi: 10.48550/arxiv.1702.05701 · pith_short_12: XAXXXEPDTQOO · pith_short_16: XAXXXEPDTQOOCK73 · pith_short_8: XAXXXEPD

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/XAXXXEPDTQOOCK73NFT6PKALYO \
  | 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: b82f7b91e39c1ce12bfb6967e7a80bc3ae82e5e4eee8464c98bd6fd174235dab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4755b2d2ed460540ba19b3087d8e98303bea0a9d191c65aa6f8ecf81393aabb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-02-19T05:04:23Z",
    "title_canon_sha256": "1766e2743a25a2ae5a7bf70a9386fd5ffbba31c0e2ce11a1f21a7afe0a0c35ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05701",
    "kind": "arxiv",
    "version": 2
  }
}