Pith Number

pith:RF7WELIR

pith:2025:RF7WELIR7LFDRUEFLT5WC3PGNH

not attested not anchored not stored refs pending

Improved T counts and active volume estimates for high-level arithmetic subroutines

Sam Heavey

arxiv:2504.19626 v1 · 2025-04-28 · 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{RF7WELIR7LFDRUEFLT5WC3PGNH}

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	2026-07-05T10:55:00.468931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

897f622d11faca38d0855cfb616de669d2a0b128bb0ced459aba94917b415682

Aliases

arxiv: 2504.19626 · arxiv_version: 2504.19626v1 · doi: 10.48550/arxiv.2504.19626 · pith_short_12: RF7WELIR7LFD · pith_short_16: RF7WELIR7LFDRUEF · pith_short_8: RF7WELIR

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/RF7WELIR7LFDRUEFLT5WC3PGNH \
  | 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: 897f622d11faca38d0855cfb616de669d2a0b128bb0ced459aba94917b415682

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8933c3687914580f15ce267d98e971956aeb4ad0f60b7e1a236e4e44c0a55b60",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-04-28T09:38:55Z",
    "title_canon_sha256": "50f50b21db6bb7373c7d3c0f5fbb49fedc0f4f0961e591e9cdd3edcef0b14ab6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19626",
    "kind": "arxiv",
    "version": 1
  }
}