Pith Number

pith:CVLW4LQM

pith:2009:CVLW4LQMZ6QZ5KN2EXHJNUX3S3

not attested not anchored not stored refs pending

Detecting entanglement with non-hermitian operators

Ho Trung Dung, Julien Niset, Mark Hillery

arxiv:0910.4567 v2 · 2009-10-23 · 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{CVLW4LQMZ6QZ5KN2EXHJNUX3S3}

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	2026-05-18T02:11:12.069343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15576e2e0ccfa19ea9ba25ce96d2fb96df780f5832225bddd6462fede3494602

Aliases

arxiv: 0910.4567 · arxiv_version: 0910.4567v2 · doi: 10.48550/arxiv.0910.4567 · pith_short_12: CVLW4LQMZ6QZ · pith_short_16: CVLW4LQMZ6QZ5KN2 · pith_short_8: CVLW4LQM

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/CVLW4LQMZ6QZ5KN2EXHJNUX3S3 \
  | 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: 15576e2e0ccfa19ea9ba25ce96d2fb96df780f5832225bddd6462fede3494602

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df013ee26b5e11ae9b70dd56e761d4c12b877fea2480cab3343c0974116d080c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-10-23T19:01:32Z",
    "title_canon_sha256": "bb6ac9392312f92acbdc01f183b1f3dfd8b309c7bc6fc36db39ea3eaeb9984c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.4567",
    "kind": "arxiv",
    "version": 2
  }
}