Pith Number

pith:CHZYF3ZD

pith:2011:CHZYF3ZD6LTCN3KY5DY2KAFQI2

not attested not anchored not stored refs pending

Einstein-Podolsky-Rosen Steerability Criterion for Two-Qubit Density Matrices

C. H. Oh, Chunfeng Wu, Hong-Yi Su, Jing-Ling Chen, Xiang-Jun Ye

arxiv:1112.4693 v4 · 2011-12-20 · 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{CHZYF3ZD6LTCN3KY5DY2KAFQI2}

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	2026-05-18T04:03:42.625637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11f382ef23f2e626ed58e8f1a500b0468668c8f8367ec79190d751c11241ed29

Aliases

arxiv: 1112.4693 · arxiv_version: 1112.4693v4 · doi: 10.48550/arxiv.1112.4693 · pith_short_12: CHZYF3ZD6LTC · pith_short_16: CHZYF3ZD6LTCN3KY · pith_short_8: CHZYF3ZD

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/CHZYF3ZD6LTCN3KY5DY2KAFQI2 \
  | 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: 11f382ef23f2e626ed58e8f1a500b0468668c8f8367ec79190d751c11241ed29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b84fe7ccb78b3778be70ea623d34bd288ceeb678dbd89ecdb1861c8514e1e1f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2011-12-20T14:12:48Z",
    "title_canon_sha256": "2104d99ccba51e8525ebb07d4bfccefd5664559533d03dc510175d047b474e5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.4693",
    "kind": "arxiv",
    "version": 4
  }
}