Pith Number

pith:OSPULDQR

pith:2018:OSPULDQRQAGJJN3MCAKGJM4EI7

not attested not anchored not stored refs pending

ATPboost: Learning Premise Selection in Binary Setting with ATP Feedback

Bartosz Piotrowski, Josef Urban

arxiv:1802.03375 v1 · 2018-02-09 · cs.AI · cs.LO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSPULDQRQAGJJN3MCAKGJM4EI7}

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	2026-05-18T00:23:57.799727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

749f458e11800c94b76c101464b38447c051ba83454914cf9cc2a14b1d31c75f

Aliases

arxiv: 1802.03375 · arxiv_version: 1802.03375v1 · doi: 10.48550/arxiv.1802.03375 · pith_short_12: OSPULDQRQAGJ · pith_short_16: OSPULDQRQAGJJN3M · pith_short_8: OSPULDQR

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/OSPULDQRQAGJJN3MCAKGJM4EI7 \
  | 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: 749f458e11800c94b76c101464b38447c051ba83454914cf9cc2a14b1d31c75f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eada50f0134d8be82e0b8dad3d4a13dad62ceebc9cab6bb447820032b7386956",
    "cross_cats_sorted": [
      "cs.LO",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-02-09T18:29:26Z",
    "title_canon_sha256": "38c2bda7f9294010cf918d7d51dcf63b5c55b61c46a9259792588cf30d57cb3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03375",
    "kind": "arxiv",
    "version": 1
  }
}