Pith Number

pith:ZDUPZYU2

pith:2015:ZDUPZYU2KSVM63IRZVCYH2ARFB

not attested not anchored not stored refs pending

Efficient learning algorithm for quantum perceptron unitary weights

Elizabeth Behrman, James Steck, Kok-Leong Seow

arxiv:1512.00522 v2 · 2015-12-01 · 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{ZDUPZYU2KSVM63IRZVCYH2ARFB}

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	2026-05-18T01:24:23.989098Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8e8fce29a54aacf6d11cd4583e811285d2256191c163aa0618a57521b131e80

Aliases

arxiv: 1512.00522 · arxiv_version: 1512.00522v2 · doi: 10.48550/arxiv.1512.00522 · pith_short_12: ZDUPZYU2KSVM · pith_short_16: ZDUPZYU2KSVM63IR · pith_short_8: ZDUPZYU2

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/ZDUPZYU2KSVM63IRZVCYH2ARFB \
  | 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: c8e8fce29a54aacf6d11cd4583e811285d2256191c163aa0618a57521b131e80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d938fb40e72f52a092010bd998eefad6ce8413580507aac8fcc39bb4bc1f85c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-12-01T23:36:49Z",
    "title_canon_sha256": "0916ed968f862526a81780d07cb34fefd70bc1e44c1457aaaf8ee9288e23b0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00522",
    "kind": "arxiv",
    "version": 2
  }
}