Pith Number

pith:ZPHNW62W

pith:2025:ZPHNW62WWVO34D24BNQIWQUPRE

not attested not anchored not stored refs pending

Demonstrating an unconditional separation between quantum and classical information resources

Brian Neyenhuis, Dan Gresh, David Hayes, Justin A. Gerber, Karl Mayer, Kevin Gilmore, Matthew DeCross, Nicholas Hunter-Jones, Sabee Grewal, Scott Aaronson, William Kretschmer

arxiv:2509.07255 v2 · 2025-09-08 · 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{ZPHNW62WWVO34D24BNQIWQUPRE}

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

1 paper in Pith

Exponential quantum advantage in processing massive classical data

Receipt and verification

First computed	2026-05-17T23:39:17.569530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbcedb7b56b55dbe0f5c0b608b428f89181496bba5818c0b801b59bc2d90c9d9

Aliases

arxiv: 2509.07255 · arxiv_version: 2509.07255v2 · doi: 10.48550/arxiv.2509.07255 · pith_short_12: ZPHNW62WWVO3 · pith_short_16: ZPHNW62WWVO34D24 · pith_short_8: ZPHNW62W

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/ZPHNW62WWVO34D24BNQIWQUPRE \
  | 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: cbcedb7b56b55dbe0f5c0b608b428f89181496bba5818c0b801b59bc2d90c9d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99f90586fd38e4edb23b98cfaaf15bbd36e5ea78aad24aa7b16dc4bed7af2e3d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-09-08T22:18:27Z",
    "title_canon_sha256": "db28bd8373e8efd6af642f1b88ab2fbbcb42b9c2362e8c55e1e49e902d1845eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.07255",
    "kind": "arxiv",
    "version": 2
  }
}