Pith Number

pith:K77P3UNO

pith:2022:K77P3UNOJFMQERWMJ4B7RO4XQR

not attested not anchored not stored refs pending

Genetic Improvement in the Shackleton Framework for Optimizing LLVM Pass Sequences

Andrew N. Sloss, Hannah Peeler, Kenneth N. Reid, Shuyue Stella Li, Wolfgang Banzhaf

arxiv:2204.13261 v1 · 2022-04-28 · cs.NE · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K77P3UNOJFMQERWMJ4B7RO4XQR}

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	2026-07-05T04:18:33.016883Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57fefdd1ae49590246cc4f03f8bb9784692db81e18618791923933db25c5b22b

Aliases

arxiv: 2204.13261 · arxiv_version: 2204.13261v1 · doi: 10.48550/arxiv.2204.13261 · pith_short_12: K77P3UNOJFMQ · pith_short_16: K77P3UNOJFMQERWM · pith_short_8: K77P3UNO

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/K77P3UNOJFMQERWMJ4B7RO4XQR \
  | 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: 57fefdd1ae49590246cc4f03f8bb9784692db81e18618791923933db25c5b22b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14f75e19fe361071c94725c7c28af02c83857c213acec72e474b6c8f34b9a396",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2022-04-28T02:48:04Z",
    "title_canon_sha256": "da510c31ffa492e329fe9c2bb9de3f3792c356901f1d5d8250a1110e82ac2533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.13261",
    "kind": "arxiv",
    "version": 1
  }
}