Pith Number

pith:NMIT3GHC

pith:2019:NMIT3GHC3PEBEA3IV3JFISRKOR

not attested not anchored not stored refs pending

The norms of Bloch vectors and classification of four qudits quantum states

Jing Wang, Ming Li, Shao-Ming Fei, Shuqian Shen, Zong Wang

arxiv:1903.04336 v1 · 2019-03-11 · 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{NMIT3GHC3PEBEA3IV3JFISRKOR}

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	2026-05-17T23:50:18.952252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b113d98e2dbc8120368aed2544a2a746d2deaf85a72eb584b71631f1d9d426b

Aliases

arxiv: 1903.04336 · arxiv_version: 1903.04336v1 · doi: 10.48550/arxiv.1903.04336 · pith_short_12: NMIT3GHC3PEB · pith_short_16: NMIT3GHC3PEBEA3I · pith_short_8: NMIT3GHC

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/NMIT3GHC3PEBEA3IV3JFISRKOR \
  | 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: 6b113d98e2dbc8120368aed2544a2a746d2deaf85a72eb584b71631f1d9d426b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "95f65fbfcbe84bbb300fb8a876fc1777aed2e16ba52561b7cfaa52b89fded2f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-03-11T14:47:39Z",
    "title_canon_sha256": "42aaee6fb2a7307f902dfd944aa0b1fa3789744b386a9cfba9a5a27f213424fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04336",
    "kind": "arxiv",
    "version": 1
  }
}