Pith Number

pith:TAJSME7N

pith:2018:TAJSME7NRUDQAZASXNCHXXHXEB

not attested not anchored not stored refs pending

Covariance matrix entanglement criterion for an arbitrary set of operators

Chandrashekar Radhakrishnan, Tim Byrnes, Vinay Tripathi

arxiv:1806.03832 v1 · 2018-06-11 · 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{TAJSME7NRUDQAZASXNCHXXHXEB}

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	2026-05-18T00:13:41.921476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98132613ed8d07006412bb447bdcf72042a763b721ad52e9c9c1c04c598f0795

Aliases

arxiv: 1806.03832 · arxiv_version: 1806.03832v1 · doi: 10.48550/arxiv.1806.03832 · pith_short_12: TAJSME7NRUDQ · pith_short_16: TAJSME7NRUDQAZAS · pith_short_8: TAJSME7N

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/TAJSME7NRUDQAZASXNCHXXHXEB \
  | 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: 98132613ed8d07006412bb447bdcf72042a763b721ad52e9c9c1c04c598f0795

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30b858eb639d96808ddf7b8a9f378b0815dc305d8bf05d8001654dd6b2a11fd0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-06-11T07:02:42Z",
    "title_canon_sha256": "797bfdeb3bb74be3ff8b9fed5e1dd50f3a09afcd65489b21bbc0235bf5884419"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.03832",
    "kind": "arxiv",
    "version": 1
  }
}