Pith Number

pith:42HEAXJU

pith:2019:42HEAXJUA45XN3NJAKKAYMHVFX

not attested not anchored not stored refs pending

VeriML: Enabling Integrity Assurances and Fair Payments for Machine Learning as a Service

Chao Shen, Cong Wang, Lingchen Zhao, Minxin Du, Qian Wang, Qi Li, Shengshan Hu, Xiaodong Lin

arxiv:1909.06961 v1 · 2019-09-16 · 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{42HEAXJUA45XN3NJAKKAYMHVFX}

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	2026-07-05T01:38:15.331109Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e68e405d34073b76eda902940c30f52df7f4fb7c885dd9578ba8c76454bf141b

Aliases

arxiv: 1909.06961 · arxiv_version: 1909.06961v1 · doi: 10.48550/arxiv.1909.06961 · pith_short_12: 42HEAXJUA45X · pith_short_16: 42HEAXJUA45XN3NJ · pith_short_8: 42HEAXJU

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/42HEAXJUA45XN3NJAKKAYMHVFX \
  | 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: e68e405d34073b76eda902940c30f52df7f4fb7c885dd9578ba8c76454bf141b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e12b4810d008e34a5e2c68e5760f1856cc4c061ead3ff6d5ad6aff5d37712f67",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-09-16T03:05:31Z",
    "title_canon_sha256": "b036bdd00fadaeaddbbc869f8bc64d5f664645430613834a624b86a32ab653ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.06961",
    "kind": "arxiv",
    "version": 1
  }
}