Pith Number

pith:O7UYDQZB

pith:2015:O7UYDQZBH75NQFDX53CIBCRPBM

not attested not anchored not stored refs pending

Sustainability in Software Product Lines: Report on Discussion Panel at SPLC 2014

Iris Groher, Joost Noppen, Ruzanna Chitchyan

arxiv:1505.03736 v1 · 2015-05-14 · 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{O7UYDQZBH75NQFDX53CIBCRPBM}

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	2026-05-18T02:09:53.181584Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e981c3213ffad81477eec4808a2f0b150e0e51206e8b9a5f791d9257315eeb

Aliases

arxiv: 1505.03736 · arxiv_version: 1505.03736v1 · doi: 10.48550/arxiv.1505.03736 · pith_short_12: O7UYDQZBH75N · pith_short_16: O7UYDQZBH75NQFDX · pith_short_8: O7UYDQZB

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/O7UYDQZBH75NQFDX53CIBCRPBM \
  | 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: 77e981c3213ffad81477eec4808a2f0b150e0e51206e8b9a5f791d9257315eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7365d0cd368e3bff9d8bd05e729e2b1a807437368391482cdc42d44c3636b45f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-05-14T14:29:27Z",
    "title_canon_sha256": "98637baf07f24cd7e12fa998a86e637b08f46768bff916789cbd8f218b8ea699"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03736",
    "kind": "arxiv",
    "version": 1
  }
}