Pith Number

pith:2C3HWXZI

pith:2019:2C3HWXZILOJ6J5SRSVHLP6R7KY

not attested not anchored not stored refs pending

Privacy-Preserving Support Vector Machine Computing Using Random Unitary Transformation

Ayana Kawamura, Hitoshi Kiya, Takahiro Maekawa, Takayuki Nakachi

arxiv:1908.07915 v1 · 2019-08-20 · 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{2C3HWXZILOJ6J5SRSVHLP6R7KY}

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	2026-07-05T00:31:55.643055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0b67b5f285b93e4f651954eb7fa3f56142b7a46fe83be9bf3477b220b8f2fb8

Aliases

arxiv: 1908.07915 · arxiv_version: 1908.07915v1 · doi: 10.48550/arxiv.1908.07915 · pith_short_12: 2C3HWXZILOJ6 · pith_short_16: 2C3HWXZILOJ6J5SR · pith_short_8: 2C3HWXZI

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/2C3HWXZILOJ6J5SRSVHLP6R7KY \
  | 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: d0b67b5f285b93e4f651954eb7fa3f56142b7a46fe83be9bf3477b220b8f2fb8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6830d861ce770d05cd17552c072454912dcac5ad486a5ffc7a0393d16c13a4b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-20T08:05:18Z",
    "title_canon_sha256": "d57210d6f65ffaac161bf74229b0a910c89059f10c820b20b88fe8106434a542"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07915",
    "kind": "arxiv",
    "version": 1
  }
}