Pith Number

pith:7XID42WE

pith:2020:7XID42WEX4F4M6CILQEMXPPTZM

not attested not anchored not stored refs pending

Uncertainty Relations Based on Modified Wigner-Yanase-Dyson Skew Information

Jianhui Wang, Lin Zhang, Shao-Ming Fei, Xianqing Li-Jost, Zhaoqi Wu

arxiv:2004.11644 v1 · 2020-04-24 · 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{7XID42WEX4F4M6CILQEMXPPTZM}

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	2026-07-05T00:57:56.132758Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdd03e6ac4bf0bc678485c08cbbdf3cb0b7163e465fc9e25ae24faa07dad6901

Aliases

arxiv: 2004.11644 · arxiv_version: 2004.11644v1 · doi: 10.48550/arxiv.2004.11644 · pith_short_12: 7XID42WEX4F4 · pith_short_16: 7XID42WEX4F4M6CI · pith_short_8: 7XID42WE

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/7XID42WEX4F4M6CILQEMXPPTZM \
  | 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: fdd03e6ac4bf0bc678485c08cbbdf3cb0b7163e465fc9e25ae24faa07dad6901

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda43dd8322262d7e2aeb540702df1ac23ee6945b3b1f465c2068d64e8c2a0d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-24T10:30:53Z",
    "title_canon_sha256": "253a4cb9212d70f64178cd978697564f96048b9b3754c5b2f0d60f0f09293a79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.11644",
    "kind": "arxiv",
    "version": 1
  }
}