Pith Number

pith:IZMHJ7XK

pith:2015:IZMHJ7XKD2ZRNWJGXAMPHJBWU7

not attested not anchored not stored refs pending

Protocol for secure quantum machine learning at a distant place

Hyunseok Jeong, Jeongho Bang, Seung-Woo Lee

arxiv:1504.04929 v2 · 2015-04-20 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IZMHJ7XKD2ZRNWJGXAMPHJBWU7}

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	2026-05-18T01:32:00.631844Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

465874feea1eb316d926b818f3a436a7da711b247d2481a5856bcb1fd68ae132

Aliases

arxiv: 1504.04929 · arxiv_version: 1504.04929v2 · doi: 10.48550/arxiv.1504.04929 · pith_short_12: IZMHJ7XKD2ZR · pith_short_16: IZMHJ7XKD2ZRNWJG · pith_short_8: IZMHJ7XK

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/IZMHJ7XKD2ZRNWJGXAMPHJBWU7 \
  | 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: 465874feea1eb316d926b818f3a436a7da711b247d2481a5856bcb1fd68ae132

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe722ddbe6532e2cc9402a085d53c6d7506db564400bcde4fc28a3472f8d3d5d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-04-20T03:32:01Z",
    "title_canon_sha256": "fe60c5698003842ad5c9792b76ee78505f543cb69925199ffc190934d91d8f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04929",
    "kind": "arxiv",
    "version": 2
  }
}