Pith Number

pith:BVFQ436L

pith:2013:BVFQ436LKKUTH5Z2K2T5XC4DWO

not attested not anchored not stored refs pending

Local Unitary Equivalent Classes of Symmetric N-Qubit Mixed States

Sakineh Ashourisheikhi, Swarnamala Sirsi

arxiv:1308.3777 v2 · 2013-08-17 · 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{BVFQ436LKKUTH5Z2K2T5XC4DWO}

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	2026-05-18T03:08:46.760476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d4b0e6fcb52a933f73a56a7db8b83b39de4a121c1fabba922e7126e7687971b

Aliases

arxiv: 1308.3777 · arxiv_version: 1308.3777v2 · doi: 10.48550/arxiv.1308.3777 · pith_short_12: BVFQ436LKKUT · pith_short_16: BVFQ436LKKUTH5Z2 · pith_short_8: BVFQ436L

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/BVFQ436LKKUTH5Z2K2T5XC4DWO \
  | 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: 0d4b0e6fcb52a933f73a56a7db8b83b39de4a121c1fabba922e7126e7687971b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ec4578b8e7e71892f649bdd8e829b9d6c80b0fba81f1ba8064525eec6530662",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-17T12:07:06Z",
    "title_canon_sha256": "60a143fd2dd34aa6bcd8f51c79ebe200bf0f0cf688e6f30a33eb5dce187e1717"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3777",
    "kind": "arxiv",
    "version": 2
  }
}