Pith Number

pith:OSVHISEE

pith:2015:OSVHISEETF2BLKB33JB7ZH3QJ2

not attested not anchored not stored refs pending

Building an OSS Quality Estimation Model with CATREG

Danny Ho, Jie Xu, Luiz Fernando Capretz

arxiv:1507.06929 v1 · 2015-07-24 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OSVHISEETF2BLKB33JB7ZH3QJ2}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:36:21.640625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

74aa744884997415a83bda43fc9f704e8220aff39759e5447db101fc8744873d

Aliases

arxiv: 1507.06929 · arxiv_version: 1507.06929v1 · doi: 10.48550/arxiv.1507.06929 · pith_short_12: OSVHISEETF2B · pith_short_16: OSVHISEETF2BLKB3 · pith_short_8: OSVHISEE

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/OSVHISEETF2BLKB33JB7ZH3QJ2 \
  | 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: 74aa744884997415a83bda43fc9f704e8220aff39759e5447db101fc8744873d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91357606a6b751217b3b042d15152e755621fcae8a4c0aed24b4f1f9c9e8c67a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-07-24T17:42:27Z",
    "title_canon_sha256": "65cbee00b81a4e19108dda6f547ebcfce431a2daa62428fb0adc809d8a843507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06929",
    "kind": "arxiv",
    "version": 1
  }
}