Pith Number

pith:CQ6YO4V5

pith:2017:CQ6YO4V5FCQ6CBTU75B7YOMJBN

not attested not anchored not stored refs pending

Refactoring Legacy JavaScript Code to Use Classes: The Good, The Bad and The Ugly

Alexandre Bergel, Leonardo Humberto Silva, Marco Tulio Valente

arxiv:1703.01690 v1 · 2017-03-05 · cs.SE · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQ6YO4V5FCQ6CBTU75B7YOMJBN}

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	2026-05-18T00:08:55.472049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

143d8772bd28a1e10674ff43fc39890b4148617048ecd361ad412cfd28daee49

Aliases

arxiv: 1703.01690 · arxiv_version: 1703.01690v1 · doi: 10.48550/arxiv.1703.01690 · pith_short_12: CQ6YO4V5FCQ6 · pith_short_16: CQ6YO4V5FCQ6CBTU · pith_short_8: CQ6YO4V5

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/CQ6YO4V5FCQ6CBTU75B7YOMJBN \
  | 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: 143d8772bd28a1e10674ff43fc39890b4148617048ecd361ad412cfd28daee49

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "accdc37b1d79aea355c7c72de5e70457a564be1e869765b33b41e33dd58421f4",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2017-03-05T23:19:01Z",
    "title_canon_sha256": "0a2f7a310a31fcd5f2a31eff07c12ab889f58f32a8c194d7f22078a53d916a98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.01690",
    "kind": "arxiv",
    "version": 1
  }
}