Pith Number

pith:3QPJ3NMH

pith:2025:3QPJ3NMHJ2WRBRSKIC77YT3YGS

not attested not anchored not stored refs pending

Open Source, Hidden Costs: A Systematic Literature Review on OSS License Management

BoYuan Li, Chengwei Liu, Lingling Fan, Sen Chen, Zheli Liu, Zhenlin Zhang

arxiv:2507.05270 v2 · 2025-07-03 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3QPJ3NMHJ2WRBRSKIC77YT3YGS}

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	2026-07-05T11:34:53.647842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1e9db5874ead10c64a40bffc4f7834bbd3b03ea7846f144a153b74bbc9e7cb

Aliases

arxiv: 2507.05270 · arxiv_version: 2507.05270v2 · doi: 10.48550/arxiv.2507.05270 · pith_short_12: 3QPJ3NMHJ2WR · pith_short_16: 3QPJ3NMHJ2WRBRSK · pith_short_8: 3QPJ3NMH

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/3QPJ3NMHJ2WRBRSKIC77YT3YGS \
  | 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: dc1e9db5874ead10c64a40bffc4f7834bbd3b03ea7846f144a153b74bbc9e7cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b64c44bad68f2a82ea41a94b0d85fd42bc7ef8b11ea0a5615c7a1807ce0152ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-03T14:02:15Z",
    "title_canon_sha256": "66a04af9ce142db375dad8dd0a549be9b5abce33845e8a9cfc4860df6775be02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.05270",
    "kind": "arxiv",
    "version": 2
  }
}