pith. sign in
Pith Number

pith:4HP6OXCS

pith:2014:4HP6OXCSK2XKES2U2HEV3LUXUD
not attested not anchored not stored refs pending

Highly symmetric POVMs and their informational power

Anna Szymusiak, Wojciech S{\l}omczy\'nski

arxiv:1402.0375 v3 · 2014-02-03 · quant-ph · cs.IT · math-ph · math.IT · math.MP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{4HP6OXCSK2XKES2U2HEV3LUXUD}

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 2026-05-18T01:32:01.320648Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

e1dfe75c5256aea24b54d1c95dae97a0db809a27e94f95d5a6d24e1ec36e7bc3

Aliases

arxiv: 1402.0375 · arxiv_version: 1402.0375v3 · doi: 10.48550/arxiv.1402.0375 · pith_short_12: 4HP6OXCSK2XK · pith_short_16: 4HP6OXCSK2XKES2U · pith_short_8: 4HP6OXCS
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/4HP6OXCSK2XKES2U2HEV3LUXUD \
  | 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: e1dfe75c5256aea24b54d1c95dae97a0db809a27e94f95d5a6d24e1ec36e7bc3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e8415b0988bf15e963b6d3c89dc7f2c743d48dcd6d5713adb5787bc674a4384f",
    "cross_cats_sorted": [
      "cs.IT",
      "math-ph",
      "math.IT",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-02-03T13:11:02Z",
    "title_canon_sha256": "9d6332f2c82b3a423fc5f89d717e7cffbf4feee4a020269c93275e9eed04a60b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0375",
    "kind": "arxiv",
    "version": 3
  }
}