Pith Number

pith:ZWG6BXAT

pith:2018:ZWG6BXAT2SNUWMPJ4J42LM5XLC

not attested not anchored not stored refs pending

Quantum Computational Supremacy

Aram W Harrow, Ashley Montanaro

arxiv:1809.07442 v1 · 2018-09-20 · 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{ZWG6BXAT2SNUWMPJ4J42LM5XLC}

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	2026-05-18T00:05:16.304513Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd8de0dc13d49b4b31e9e279a5b3b758af5a927e5f8dd587cb2417958f9847e3

Aliases

arxiv: 1809.07442 · arxiv_version: 1809.07442v1 · doi: 10.48550/arxiv.1809.07442 · pith_short_12: ZWG6BXAT2SNU · pith_short_16: ZWG6BXAT2SNUWMPJ · pith_short_8: ZWG6BXAT

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/ZWG6BXAT2SNUWMPJ4J42LM5XLC \
  | 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: cd8de0dc13d49b4b31e9e279a5b3b758af5a927e5f8dd587cb2417958f9847e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "673113e1ca705ddb7f23b7ccfffbe689b7d28f57a550a51716a21d3a825ee7bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-09-20T01:31:16Z",
    "title_canon_sha256": "1661769e7a5e417e1df7e7783ad1caaceae344e527f23a66fbf0b1204e856e98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07442",
    "kind": "arxiv",
    "version": 1
  }
}