Pith Number

pith:U7AVKKJ5

pith:2020:U7AVKKJ5PXRIERJ63QF6UIZIL3

not attested not anchored not stored refs pending

Optimal allocation of quantum resources

Jakub Czartowski, Karol \.Zyczkowski, Pawe{\l} Horodecki, Roberto Salazar, Tanmoy Biswas

arxiv:2006.16134 v4 · 2020-06-29 · 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{U7AVKKJ5PXRIERJ63QF6UIZIL3}

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	2026-07-05T02:21:34.451490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7c155293d7de282453edc0bea23285ee20eefd00bd3c97a9a7320b59227522a

Aliases

arxiv: 2006.16134 · arxiv_version: 2006.16134v4 · doi: 10.48550/arxiv.2006.16134 · pith_short_12: U7AVKKJ5PXRI · pith_short_16: U7AVKKJ5PXRIERJ6 · pith_short_8: U7AVKKJ5

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/U7AVKKJ5PXRIERJ63QF6UIZIL3 \
  | 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: a7c155293d7de282453edc0bea23285ee20eefd00bd3c97a9a7320b59227522a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a310ea100089062302011e62cbc162e48ee7b06b77011e92387befc4d4a13e96",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-06-29T15:52:53Z",
    "title_canon_sha256": "96aada818c1a7e253d877aae6299c9d945bd12459e6c65f0c2bf8a5f7351d76c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16134",
    "kind": "arxiv",
    "version": 4
  }
}