Pith Number

pith:U24PB7MG

pith:2011:U24PB7MGTV7J6HRJKAWLG3JBHM

not attested not anchored not stored refs pending

Direct scheme for measuring the geometric quantum discord

Chang-shui Yu, Feng-Yang Zhang, He-Shan Song, Jia-sen Jin

arxiv:1110.5693 v1 · 2011-10-26 · 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{U24PB7MGTV7J6HRJKAWLG3JBHM}

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	2026-05-18T04:01:01.737981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6b8f0fd869d7e9f1e29502cb36d213b0a3cc5dee2f9455c3b831cd06fa7a3b5

Aliases

arxiv: 1110.5693 · arxiv_version: 1110.5693v1 · doi: 10.48550/arxiv.1110.5693 · pith_short_12: U24PB7MGTV7J · pith_short_16: U24PB7MGTV7J6HRJ · pith_short_8: U24PB7MG

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/U24PB7MGTV7J6HRJKAWLG3JBHM \
  | 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: a6b8f0fd869d7e9f1e29502cb36d213b0a3cc5dee2f9455c3b831cd06fa7a3b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e425cd0d0bf2937ff73f23724da8b377ea1c44601a491a14ab4060fda565fb0c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-10-26T01:09:59Z",
    "title_canon_sha256": "d7fe3ba799edc4706e75c38c38a44c0b0c74bc8083de2ce69c57d72167f84c27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5693",
    "kind": "arxiv",
    "version": 1
  }
}