Pith Number

pith:PHQBKMST

pith:2024:PHQBKMSTP4OAMFGESUID26EAWF

not attested not anchored not stored refs pending

A Priori Loop Nest Normalization: Automatic Loop Scheduling in Complex Applications

Alexandru Calotoiu, Berke Ates, Lukas Tr\"umper, Marcin Copik, Philipp Schaad, Torsten Hoefler

arxiv:2412.20179 v1 · 2024-12-28 · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PHQBKMSTP4OAMFGESUID26EAWF}

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	2026-07-05T09:54:55.644150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79e01532537f1c0614c495103d7880b15c37237c72d85a5b837903c298b4c906

Aliases

arxiv: 2412.20179 · arxiv_version: 2412.20179v1 · doi: 10.48550/arxiv.2412.20179 · pith_short_12: PHQBKMSTP4OA · pith_short_16: PHQBKMSTP4OAMFGE · pith_short_8: PHQBKMST

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/PHQBKMSTP4OAMFGESUID26EAWF \
  | 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: 79e01532537f1c0614c495103d7880b15c37237c72d85a5b837903c298b4c906

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "592fadd2464d66d19a1087f18338de3611f135ace597c8b9384edcbe3ff3a771",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PF",
    "submitted_at": "2024-12-28T15:26:57Z",
    "title_canon_sha256": "3208403522039d704475481e0f581863f58742739066b5f45e92bfab0a4fb483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.20179",
    "kind": "arxiv",
    "version": 1
  }
}