Pith Number

pith:IPMSGB4X

pith:2015:IPMSGB4XOT5JESQBS42NQCBNBR

not attested not anchored not stored refs pending

NPEFix: Automatic Runtime Repair of Null Pointer Exceptions in Java

Benoit Cornu, Lionel Seinturier, Martin Monperrus, Thomas Durieux

arxiv:1512.07423 v1 · 2015-12-23 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPMSGB4XOT5JESQBS42NQCBNBR}

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	2026-05-18T01:23:49.701786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43d923079774fa924a019734d8082d0c60fc740004000c06946abfc274fb8a24

Aliases

arxiv: 1512.07423 · arxiv_version: 1512.07423v1 · doi: 10.48550/arxiv.1512.07423 · pith_short_12: IPMSGB4XOT5J · pith_short_16: IPMSGB4XOT5JESQB · pith_short_8: IPMSGB4X

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/IPMSGB4XOT5JESQBS42NQCBNBR \
  | 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: 43d923079774fa924a019734d8082d0c60fc740004000c06946abfc274fb8a24

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cce1ed6a9586012040562dfc6a667ad89013f3d3a1e9b62fd7365b4a4bb9bef1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-12-23T10:34:16Z",
    "title_canon_sha256": "f34961a940ad5fd8ab55a816fcb4358f80e2947195ccb725dd5ec9a44d422b95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.07423",
    "kind": "arxiv",
    "version": 1
  }
}