Pith Number

pith:LORQ3VAQ

pith:2010:LORQ3VAQ2JH4JXM2VSMSEL4ZVG

not attested not anchored not stored refs pending

Symmetric informationally complete positive operator valued measure and probability representation of quantum mechanics

S. N. Filippov, V. I. Man'ko

arxiv:1005.4091 v2 · 2010-05-21 · quant-ph · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LORQ3VAQ2JH4JXM2VSMSEL4ZVG}

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	2026-05-18T04:40:55.904479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ba30dd410d24fc4dd9aac99222f99a99964d039763508ce633df58dc45791fe

Aliases

arxiv: 1005.4091 · arxiv_version: 1005.4091v2 · doi: 10.48550/arxiv.1005.4091 · pith_short_12: LORQ3VAQ2JH4 · pith_short_16: LORQ3VAQ2JH4JXM2 · pith_short_8: LORQ3VAQ

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/LORQ3VAQ2JH4JXM2VSMSEL4ZVG \
  | 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: 5ba30dd410d24fc4dd9aac99222f99a99964d039763508ce633df58dc45791fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89805befedab9402a1303033de33ed591b87f9a679792385d1bff675546a33ff",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-05-21T22:11:54Z",
    "title_canon_sha256": "603af85042aab20dc403c514184a07e89d7c41d2804f1195c8f29f9762341d52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.4091",
    "kind": "arxiv",
    "version": 2
  }
}