Pith Number

pith:XKP27L3K

pith:2015:XKP27L3KOEG4ZBK2NFYVCMUI3D

not attested not anchored not stored refs pending

Pairwise quantum discord for a symmetric multi-qubit system in different types of noisy channels

Guo-You Wang, Mao-Fa Fang, You-neng Guo, Zeng Ke

arxiv:1507.04826 v1 · 2015-07-17 · 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{XKP27L3KOEG4ZBK2NFYVCMUI3D}

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	2026-05-18T01:20:45.841955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba9fafaf6a710dcc855a6971513288d8f0b470d6de2da5312ba62c40cbc41869

Aliases

arxiv: 1507.04826 · arxiv_version: 1507.04826v1 · doi: 10.48550/arxiv.1507.04826 · pith_short_12: XKP27L3KOEG4 · pith_short_16: XKP27L3KOEG4ZBK2 · pith_short_8: XKP27L3K

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/XKP27L3KOEG4ZBK2NFYVCMUI3D \
  | 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: ba9fafaf6a710dcc855a6971513288d8f0b470d6de2da5312ba62c40cbc41869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37d7120605035f78f5a7c20ab42f67bbfc9312d9592b1d48f4b7449f9e9f050d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-07-17T03:24:31Z",
    "title_canon_sha256": "bdf3b6e31573c27699c72d1b849043df8b7082166d5a24a378568fcd9d13f1f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.04826",
    "kind": "arxiv",
    "version": 1
  }
}