Pith Number

pith:MAQ5JW4S

pith:2020:MAQ5JW4S6ZZFUXIQPF2WEDRE6G

not attested not anchored not stored refs pending

Small quantum computers and large classical data sets

Aram W. Harrow

arxiv:2004.00026 v1 · 2020-03-31 · 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{MAQ5JW4S6ZZFUXIQPF2WEDRE6G}

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.

Cited by

2 papers in Pith

Learning with Active Quantum Subspaces: Scalable Hybrid Advantage without Full Quantum Data-Encoding

Exponential quantum advantage in processing massive classical data

Receipt and verification

First computed	2026-07-05T00:52:53.705943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6021d4db92f6725a5d107975620e24f181f0be4d2ab32b1cc036e8041e5dcb9b

Aliases

arxiv: 2004.00026 · arxiv_version: 2004.00026v1 · doi: 10.48550/arxiv.2004.00026 · pith_short_12: MAQ5JW4S6ZZF · pith_short_16: MAQ5JW4S6ZZFUXIQ · pith_short_8: MAQ5JW4S

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/MAQ5JW4S6ZZFUXIQPF2WEDRE6G \
  | 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: 6021d4db92f6725a5d107975620e24f181f0be4d2ab32b1cc036e8041e5dcb9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ce3599f58f4121202d6692193721092b4e9ad680ba60c5add8c54468787823d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-03-31T18:00:16Z",
    "title_canon_sha256": "57ac7d49412db3d16d2bfdc2067ae2c094c07a8da1d46a56af0eb31da7241de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.00026",
    "kind": "arxiv",
    "version": 1
  }
}