Pith Number

pith:KVFIXLDI

pith:2018:KVFIXLDIKFQAWKYTI7PBAZYICF

not attested not anchored not stored refs pending

Trustless Machine Learning Contracts; Evaluating and Exchanging Machine Learning Models on the Ethereum Blockchain

A. Besir Kurtulmus, Kenny Daniel

arxiv:1802.10185 v1 · 2018-02-27 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVFIXLDIKFQAWKYTI7PBAZYICF}

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	2026-05-18T00:22:17.872368Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

554a8bac6851600b2b1347de10670811414758ed60543278d929012ed90269d8

Aliases

arxiv: 1802.10185 · arxiv_version: 1802.10185v1 · doi: 10.48550/arxiv.1802.10185 · pith_short_12: KVFIXLDIKFQA · pith_short_16: KVFIXLDIKFQAWKYT · pith_short_8: KVFIXLDI

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/KVFIXLDIKFQAWKYTI7PBAZYICF \
  | 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: 554a8bac6851600b2b1347de10670811414758ed60543278d929012ed90269d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fcaa34384c2334887b63fddd2714cc3e635e6e28856f2b084cabea8aecbbbf64",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-02-27T22:03:56Z",
    "title_canon_sha256": "c1ce0f42be9243fb681e59c8f705b215b13a6b4c6d8bf9907751b9a29e512118"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.10185",
    "kind": "arxiv",
    "version": 1
  }
}