Pith Number

pith:UK7AQXWK

pith:2024:UK7AQXWKAOX3BESZPSL5ZALG7C

not attested not anchored not stored refs pending

Finding Missed Code Size Optimizations in Compilers using LLMs

Chris Cummins, Davide Italiano

arxiv:2501.00655 v1 · 2024-12-31 · cs.SE · cs.LG · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UK7AQXWKAOX3BESZPSL5ZALG7C}

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	2026-07-05T09:56:08.701565Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2be085eca03afb092597c97dc8166f8bff074064e7f251f41d4b6025952c04f

Aliases

arxiv: 2501.00655 · arxiv_version: 2501.00655v1 · doi: 10.48550/arxiv.2501.00655 · pith_short_12: UK7AQXWKAOX3 · pith_short_16: UK7AQXWKAOX3BESZ · pith_short_8: UK7AQXWK

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/UK7AQXWKAOX3BESZPSL5ZALG7C \
  | 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: a2be085eca03afb092597c97dc8166f8bff074064e7f251f41d4b6025952c04f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "225137b0eea9097aaa3cb9a1820111b3d9b8b522b404b90d5d9678fd19611ecc",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2024-12-31T21:47:46Z",
    "title_canon_sha256": "b322cdfd02245690ffc5cb98a962f0ec4aaf85daac7f067bb7ab247c3bea4d97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.00655",
    "kind": "arxiv",
    "version": 1
  }
}