Pith Number

pith:VR2ITJ3K

pith:2019:VR2ITJ3KIL32M64TS4EKC2GCGD

not attested not anchored not stored refs pending

PatchNet: A Tool for Deep Patch Classification

David Lo, Julia Lawall, Richard J. Oentaryo, Thong Hoang, Yuan Tian

arxiv:1903.02063 v2 · 2019-02-16 · cs.SE · 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{VR2ITJ3KIL32M64TS4EKC2GCGD}

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	2026-05-17T23:50:19.016354Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac7489a76a42f7a67b939708a168c230f04e52d24dbf854b0c79e8cf0e49f77b

Aliases

arxiv: 1903.02063 · arxiv_version: 1903.02063v2 · doi: 10.48550/arxiv.1903.02063 · pith_short_12: VR2ITJ3KIL32 · pith_short_16: VR2ITJ3KIL32M64T · pith_short_8: VR2ITJ3K

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/VR2ITJ3KIL32M64TS4EKC2GCGD \
  | 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: ac7489a76a42f7a67b939708a168c230f04e52d24dbf854b0c79e8cf0e49f77b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bdfc6572ee93aba3747842d2ee068c2f6546a93768ddb5565174901da4651414",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-16T06:51:42Z",
    "title_canon_sha256": "232163b0ea601bbd7c225a800cd38217d4aa8cd1c981060ffa1ecc27abdef3c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02063",
    "kind": "arxiv",
    "version": 2
  }
}