Pith Number

pith:HPLZE5RF

pith:2019:HPLZE5RF427UFRMCB6V3UVC7W6

not attested not anchored not stored refs pending

Novel Technique for Robust Optimal Algorithmic Cooling

M\'aria Kieferov\'a, Michele Mosca, Sadegh Raeisi

arxiv:1902.04439 v2 · 2019-02-12 · 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{HPLZE5RF427UFRMCB6V3UVC7W6}

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	2026-05-17T23:43:37.036950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3bd7927625e6bf42c5820fabba545fb795036ba13df939aa6606c9ce783fd67b

Aliases

arxiv: 1902.04439 · arxiv_version: 1902.04439v2 · doi: 10.48550/arxiv.1902.04439 · pith_short_12: HPLZE5RF427U · pith_short_16: HPLZE5RF427UFRMC · pith_short_8: HPLZE5RF

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/HPLZE5RF427UFRMCB6V3UVC7W6 \
  | 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: 3bd7927625e6bf42c5820fabba545fb795036ba13df939aa6606c9ce783fd67b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09f0a689c590f60e5aeff345da22ef97c6b645d78f6a8e0ec333ed24d034a7e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-02-12T15:26:41Z",
    "title_canon_sha256": "0e10e98e368e5972c145b06a39b76039de587ba7629c111e0a88329c41029377"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04439",
    "kind": "arxiv",
    "version": 2
  }
}