Pith Number

pith:A6LFNWB6

pith:2023:A6LFNWB67RNRS3MJ3UGLIG2SBR

not attested not anchored not stored refs pending

Matrix Multiplication in Quadratic Time and Energy? Towards a Fine-Grained Energy-Centric Church-Turing Thesis

Gregory Valiant

arxiv:2311.16342 v2 · 2023-11-27 · cs.CC · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6LFNWB67RNRS3MJ3UGLIG2SBR}

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

Solving the compute crisis with physics-based ASICs

Receipt and verification

First computed	2026-07-05T07:23:31.544861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

079656d83efc5b196d89dd0cb41b520c542f37b111db1a4f1fdb4934826857f0

Aliases

arxiv: 2311.16342 · arxiv_version: 2311.16342v2 · doi: 10.48550/arxiv.2311.16342 · pith_short_12: A6LFNWB67RNR · pith_short_16: A6LFNWB67RNRS3MJ · pith_short_8: A6LFNWB6

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/A6LFNWB67RNRS3MJ3UGLIG2SBR \
  | 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: 079656d83efc5b196d89dd0cb41b520c542f37b111db1a4f1fdb4934826857f0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22fe432bfe3ed7f1677ad94c75f76dfa5bf9ee2523bacf74e0ef2f62d45616ac",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2023-11-27T22:02:21Z",
    "title_canon_sha256": "55a67e8f230a8a925a62951ebc3a2e55d03fe6948623ca5532d0594d3048c3a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.16342",
    "kind": "arxiv",
    "version": 2
  }
}