Pith Number

pith:O4C6XKWN

pith:2009:O4C6XKWNXDLYD5E2EUZQXUIB4B

not attested not anchored not stored refs pending

Uncertainty relation of mixed states by means of Wigner-Yanase-Dyson information

D. Li, F. Wang, H. Huang, L. C. Kwek, X. Li

arxiv:0902.3729 v1 · 2009-02-21 · 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{O4C6XKWNXDLYD5E2EUZQXUIB4B}

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	2026-05-18T03:56:24.580603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7705ebaacdb8d781f49a25330bd101e06ebe01671d1c4e03e56e8489a1330c3d

Aliases

arxiv: 0902.3729 · arxiv_version: 0902.3729v1 · doi: 10.48550/arxiv.0902.3729 · pith_short_12: O4C6XKWNXDLY · pith_short_16: O4C6XKWNXDLYD5E2 · pith_short_8: O4C6XKWN

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/O4C6XKWNXDLYD5E2EUZQXUIB4B \
  | 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: 7705ebaacdb8d781f49a25330bd101e06ebe01671d1c4e03e56e8489a1330c3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7177da0adc8ba85be396dfe9f3f42c101b421c8ce0325b6b0021e29d0620c993",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-02-21T09:41:03Z",
    "title_canon_sha256": "aaa221d4148d71ccd6ff53708fef84d4e61f34b5e5adf91e68c3024f75fa01e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3729",
    "kind": "arxiv",
    "version": 1
  }
}