Pith Number

pith:OPRDCUQD

pith:2021:OPRDCUQD6MN3L2KFMX2KVLHD4F

not attested not anchored not stored refs pending

Learning to Make Compiler Optimizations More Effective

Felix Wolf, Marija Selakovic, Michael Pradel, Rahim Mammadli

arxiv:2102.13514 v1 · 2021-02-24 · cs.PL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPRDCUQD6MN3L2KFMX2KVLHD4F}

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	2026-07-05T02:18:38.333347Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73e2315203f31bb5e94565f4aaace3e167bf1efc72e3dbc179fdead801ec2efa

Aliases

arxiv: 2102.13514 · arxiv_version: 2102.13514v1 · doi: 10.48550/arxiv.2102.13514 · pith_short_12: OPRDCUQD6MN3 · pith_short_16: OPRDCUQD6MN3L2KF · pith_short_8: OPRDCUQD

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/OPRDCUQD6MN3L2KFMX2KVLHD4F \
  | 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: 73e2315203f31bb5e94565f4aaace3e167bf1efc72e3dbc179fdead801ec2efa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ce623281bd6475c13e192ce79e84f1affdcbf620b9d32530b6f7ddb797b3056",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-02-24T10:42:56Z",
    "title_canon_sha256": "76f53714a82edba9a2637acef012a1823065839f023a8475a6218416d0d922b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.13514",
    "kind": "arxiv",
    "version": 1
  }
}