Pith Number

pith:FBQ7HLBY

pith:2009:FBQ7HLBYNIKSBH5XJ6XA5R3CIT

not attested not anchored not stored refs pending

Minimum error discrimination problem for pure qubit states

Boris F Samsonov

arxiv:0906.0637 v2 · 2009-06-03 · 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{FBQ7HLBYNIKSBH5XJ6XA5R3CIT}

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	2026-05-18T03:23:59.672395Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2861f3ac386a15209fb74fae0ec76244ca1eeb16fa55ce4827c63b74e46cd5d2

Aliases

arxiv: 0906.0637 · arxiv_version: 0906.0637v2 · doi: 10.48550/arxiv.0906.0637 · pith_short_12: FBQ7HLBYNIKS · pith_short_16: FBQ7HLBYNIKSBH5X · pith_short_8: FBQ7HLBY

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/FBQ7HLBYNIKSBH5XJ6XA5R3CIT \
  | 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: 2861f3ac386a15209fb74fae0ec76244ca1eeb16fa55ce4827c63b74e46cd5d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4427b65a9bffafe3d76875753cb695cf8ffffdf332256db849488ae2ed54cb69",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-06-03T03:27:43Z",
    "title_canon_sha256": "6035e53612ca4889f0569f21e533f3aea184d000e7bfb7a1d95326b9f6d55928"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.0637",
    "kind": "arxiv",
    "version": 2
  }
}