Pith Number

pith:SINUJXPB

pith:2019:SINUJXPB6WJFGIDYHXYCJG5V6G

not attested not anchored not stored refs pending

Supervised learning with a quantum classifier using a multi-level system

Debanjan Bhowmik, Siddharth Dangwal, Soumik Adhikary

arxiv:1908.08385 v1 · 2019-08-22 · 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{SINUJXPB6WJFGIDYHXYCJG5V6G}

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	2026-07-05T01:01:35.710465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

921b44dde1f5925320783df0249bb5f198cb73943e1ec25bd35b84df3172572e

Aliases

arxiv: 1908.08385 · arxiv_version: 1908.08385v1 · doi: 10.48550/arxiv.1908.08385 · pith_short_12: SINUJXPB6WJF · pith_short_16: SINUJXPB6WJFGIDY · pith_short_8: SINUJXPB

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/SINUJXPB6WJFGIDYHXYCJG5V6G \
  | 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: 921b44dde1f5925320783df0249bb5f198cb73943e1ec25bd35b84df3172572e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49aeb5fae98519e113531c5b84a9da6cadbe72ae4854d1c68ff6786433f8d7ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-22T13:59:12Z",
    "title_canon_sha256": "a2b5d21343010ed3a7b9eb627ac82181f4f7e2c79333cd757b24358c6f2471e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08385",
    "kind": "arxiv",
    "version": 1
  }
}