Pith Number

pith:KHBZMQMD

pith:2023:KHBZMQMDPW52FVKF7JFF75AIFZ

not attested not anchored not stored refs pending

Simple Information Processing Tasks with Unbounded Quantum Advantage

Leevi Lepp\"aj\"arvi, Martin Pl\'avala, Oskari Kerppo, Teiko Heinosaari

arxiv:2308.07727 v4 · 2023-08-15 · 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{KHBZMQMDPW52FVKF7JFF75AIFZ}

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	2026-07-05T08:10:16.170217Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51c39641837dbba2d545fa4a5ff4082e706b79febf1f3bddbcbe338ed76a2c19

Aliases

arxiv: 2308.07727 · arxiv_version: 2308.07727v4 · doi: 10.48550/arxiv.2308.07727 · pith_short_12: KHBZMQMDPW52 · pith_short_16: KHBZMQMDPW52FVKF · pith_short_8: KHBZMQMD

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/KHBZMQMDPW52FVKF7JFF75AIFZ \
  | 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: 51c39641837dbba2d545fa4a5ff4082e706b79febf1f3bddbcbe338ed76a2c19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61a3b2e5e4d12e79446c67b37ecaa6cbe97ee18d8b33f5af614711bb299bbe55",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-08-15T12:07:31Z",
    "title_canon_sha256": "c7506c2abbf987fbfc86e003f562ff0bfe3f278f3c16a7091bd86d6692e513a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.07727",
    "kind": "arxiv",
    "version": 4
  }
}