Pith Number

pith:BGWJ3VBI

pith:2012:BGWJ3VBIVU2IGGYBE4DJOUIPJO

not attested not anchored not stored refs pending

Quantum discord in quantum random access codes and its connection with dimension witness

Chun-Mei Zhang, Guang-Can Guo, Hong-Wei Li, Jing-Zheng Huang, Wei Chen, Xu-Bo Zou, Yao Yao, Zheng-Fu Han, Zhen-Qiang Yin

arxiv:1207.1275 v2 · 2012-07-05 · 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{BGWJ3VBIVU2IGGYBE4DJOUIPJO}

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	2026-05-18T03:30:25.776857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ac9dd428ad34831b01270697510f4bb3b5b018e146a5b5a0e2d122b67db7f4

Aliases

arxiv: 1207.1275 · arxiv_version: 1207.1275v2 · doi: 10.48550/arxiv.1207.1275 · pith_short_12: BGWJ3VBIVU2I · pith_short_16: BGWJ3VBIVU2IGGYB · pith_short_8: BGWJ3VBI

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/BGWJ3VBIVU2IGGYBE4DJOUIPJO \
  | 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: 09ac9dd428ad34831b01270697510f4bb3b5b018e146a5b5a0e2d122b67db7f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad56a6e14927e9fe0f20572eca6d3067126c479eba095350a34d2932aa6aa97e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-05T14:44:03Z",
    "title_canon_sha256": "c35a3d9438168b65d5ebf5ac0bd9af4448f26b686576df2f448d4f1a4cd9f8be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.1275",
    "kind": "arxiv",
    "version": 2
  }
}