Pith Number

pith:CUAKYSTY

pith:2013:CUAKYSTYB5TG6T5THRQRUBHKDF

not attested not anchored not stored refs pending

Maximum likelihood versus likelihood-free quantum system identification in the atom maser

Catalin Catana, Madalin Guta, Theodore Kypraios

arxiv:1311.4091 v1 · 2013-11-16 · quant-ph · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CUAKYSTYB5TG6T5THRQRUBHKDF}

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	2026-05-18T01:46:24.170604Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1500ac4a780f666f4fb33c611a04ea19515149eb66673eb99aa4020dba8829f2

Aliases

arxiv: 1311.4091 · arxiv_version: 1311.4091v1 · doi: 10.48550/arxiv.1311.4091 · pith_short_12: CUAKYSTYB5TG · pith_short_16: CUAKYSTYB5TG6T5T · pith_short_8: CUAKYSTY

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/CUAKYSTYB5TG6T5THRQRUBHKDF \
  | 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: 1500ac4a780f666f4fb33c611a04ea19515149eb66673eb99aa4020dba8829f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23fe5a7759de0c472156def929209a8df09da00aeafce893f41e187cebd356d3",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-11-16T20:25:28Z",
    "title_canon_sha256": "91f41ff2087793fdfd1838a8d7b973a911adeeeebb381ff659937c57073d74fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4091",
    "kind": "arxiv",
    "version": 1
  }
}