Pith Number

pith:TF5VYBIP

pith:2020:TF5VYBIPVT2O3GZHVR7GFGAOY7

not attested not anchored not stored refs pending

Embedding Java Classes with code2vec: Improvements from Variable Obfuscation

Abigail Koay, Eibe Frank, Panos Patros, Rhys Compton

arxiv:2004.02942 v1 · 2020-04-06 · cs.LG · cs.PL · cs.SE · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TF5VYBIPVT2O3GZHVR7GFGAOY7}

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	2026-07-05T00:53:21.756945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

997b5c050facf4ed9b27ac7e62980ec7f2ef6ce3890ae4188b2638a8807443ed

Aliases

arxiv: 2004.02942 · arxiv_version: 2004.02942v1 · doi: 10.48550/arxiv.2004.02942 · pith_short_12: TF5VYBIPVT2O · pith_short_16: TF5VYBIPVT2O3GZH · pith_short_8: TF5VYBIP

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/TF5VYBIPVT2O3GZHVR7GFGAOY7 \
  | 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: 997b5c050facf4ed9b27ac7e62980ec7f2ef6ce3890ae4188b2638a8807443ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d98db3e7881d5ec6266c754967bdbf77ac0f7be4218520ef0ed268f28e9d6be0",
    "cross_cats_sorted": [
      "cs.PL",
      "cs.SE",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-04-06T19:05:18Z",
    "title_canon_sha256": "51a439a385c83a508d0130da3b3501617530e43ce3ec1d084b37aee2a5b2ac57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.02942",
    "kind": "arxiv",
    "version": 1
  }
}