Pith Number

pith:QQW5JABK

pith:2019:QQW5JABKQK7MYCQRPS6VH4JV5B

not attested not anchored not stored refs pending

Study on Estimating Quantum Discord by Neural Network with Prior Knowledge

An-Min Wang, Guo-Dong Wang, Peng-fei Zhang, Yi Sun, Yong-Lei Liu

arxiv:1905.10782 v1 · 2019-05-26 · 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{QQW5JABKQK7MYCQRPS6VH4JV5B}

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	2026-05-17T23:45:05.284911Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

842dd4802a82becc0a117cbd53f135e85fe25b2127565516fb5d92b82bbefdde

Aliases

arxiv: 1905.10782 · arxiv_version: 1905.10782v1 · doi: 10.48550/arxiv.1905.10782 · pith_short_12: QQW5JABKQK7M · pith_short_16: QQW5JABKQK7MYCQR · pith_short_8: QQW5JABK

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/QQW5JABKQK7MYCQRPS6VH4JV5B \
  | 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: 842dd4802a82becc0a117cbd53f135e85fe25b2127565516fb5d92b82bbefdde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c766324a28988f5b8923d3e15836f4ba993203973e79e9db5b60b16e02aa9683",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-26T10:31:34Z",
    "title_canon_sha256": "4b7322eb08d1452c00ee48e62bd33cdc265003242cf86aa8769e84e582d5f852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.10782",
    "kind": "arxiv",
    "version": 1
  }
}