Pith Number

pith:3Q4BLHTE

pith:2019:3Q4BLHTEIOKGLST4N6NNAZWV2W

not attested not anchored not stored refs pending

CHOP: Bypassing Runtime Bounds Checking Through Convex Hull OPtimization

Guru Venkataramani, Hongfa Xue, Tian Lan, Yurong Chen

arxiv:1907.04241 v1 · 2019-07-08 · cs.PL · 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{3Q4BLHTEIOKGLST4N6NNAZWV2W}

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	2026-05-17T23:41:02.917574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc38159e64439465ca7c6f9ad066d5d59d8a68020b9a5ce771fb9fe58f924583

Aliases

arxiv: 1907.04241 · arxiv_version: 1907.04241v1 · doi: 10.48550/arxiv.1907.04241 · pith_short_12: 3Q4BLHTEIOKG · pith_short_16: 3Q4BLHTEIOKGLST4 · pith_short_8: 3Q4BLHTE

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/3Q4BLHTEIOKGLST4N6NNAZWV2W \
  | 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: dc38159e64439465ca7c6f9ad066d5d59d8a68020b9a5ce771fb9fe58f924583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae62b47d79e6c9576c17b2083280ffb45696c2946b1f04bf5beaa1264aa83e00",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-07-08T15:09:03Z",
    "title_canon_sha256": "e3469ee92295730ac415f1e803471aca84f161a974ef1bbb18618c3de14d07a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04241",
    "kind": "arxiv",
    "version": 1
  }
}