Pith Number

pith:33YBREXZ

pith:2019:33YBREXZ33Y5GEN5F4DVYVEC5K

not attested not anchored not stored refs pending

Identifying Experts in Software Libraries and Frameworks among GitHub Users

Joao Eduardo Montandon, Luciana Lourdes Silva, Marco Tulio Valente

arxiv:1903.08113 v1 · 2019-03-19 · 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{33YBREXZ33Y5GEN5F4DVYVEC5K}

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	2026-05-17T23:50:52.921708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

def01892f9def1d311bd2f075c5482ea985b648b2a91c0c1bc6edcdc51373f1a

Aliases

arxiv: 1903.08113 · arxiv_version: 1903.08113v1 · doi: 10.48550/arxiv.1903.08113 · pith_short_12: 33YBREXZ33Y5 · pith_short_16: 33YBREXZ33Y5GEN5 · pith_short_8: 33YBREXZ

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/33YBREXZ33Y5GEN5F4DVYVEC5K \
  | 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: def01892f9def1d311bd2f075c5482ea985b648b2a91c0c1bc6edcdc51373f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afc3ccd64b6c6afb34517fdc735c9b82daaf61066328661e46f21e4e15bcc4d7",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-19T17:02:37Z",
    "title_canon_sha256": "c100e82cd1c90fc4519323ac1ec7770026022e58cc8569529a49ad9c792371a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.08113",
    "kind": "arxiv",
    "version": 1
  }
}