Pith Number

pith:DNML6Q4G

pith:2014:DNML6Q4GKEF77DDX4OH5C4QOAM

not attested not anchored not stored refs pending

Optimal two-qubit tomography based on local and global measurements: Maximal robustness against errors as described by condition numbers

Adam Miranowicz, Franco Nori, Jan Perina Jr., Karol Bartkiewicz, Masato Koashi, Nobuyuki Imoto

arxiv:1409.4622 v2 · 2014-09-16 · 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{DNML6Q4GKEF77DDX4OH5C4QOAM}

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	2026-05-18T02:30:46.978151Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b58bf4386510bff8c77e38fd1720e0301dc94e498908929e22020c4c5524029

Aliases

arxiv: 1409.4622 · arxiv_version: 1409.4622v2 · doi: 10.48550/arxiv.1409.4622 · pith_short_12: DNML6Q4GKEF7 · pith_short_16: DNML6Q4GKEF77DDX · pith_short_8: DNML6Q4G

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/DNML6Q4GKEF77DDX4OH5C4QOAM \
  | 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: 1b58bf4386510bff8c77e38fd1720e0301dc94e498908929e22020c4c5524029

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e341b2980ec5313730a7c6370f93e729f4e9b93a93aac6a9156b5ff85a65195",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-16T13:13:52Z",
    "title_canon_sha256": "a3ddb8cd75d291e057b95956184b175bee325d00bab43a52e72594f83ba8627f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4622",
    "kind": "arxiv",
    "version": 2
  }
}