Pith Number

pith:FWSDK6ST

pith:2015:FWSDK6STVACPE6BTBHLJJOY7YX

not attested not anchored not stored refs pending

ModularityCheck: A Tool for Assessing Modularity using Co-Change Clusters

Daniel Felix, Luciana Silva, Marcelo Maia, Marco Tulio Valente

arxiv:1506.05754 v1 · 2015-06-18 · 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{FWSDK6STVACPE6BTBHLJJOY7YX}

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	2026-05-18T01:44:09.789298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2da4357a53a804f2783309d694bb1fc5cc7aac912f6812899db9a0f95f9bccef

Aliases

arxiv: 1506.05754 · arxiv_version: 1506.05754v1 · doi: 10.48550/arxiv.1506.05754 · pith_short_12: FWSDK6STVACP · pith_short_16: FWSDK6STVACPE6BT · pith_short_8: FWSDK6ST

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/FWSDK6STVACPE6BTBHLJJOY7YX \
  | 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: 2da4357a53a804f2783309d694bb1fc5cc7aac912f6812899db9a0f95f9bccef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13204192100b6a502154eb255f8bfe23b4e83cb68ab878975519b8ffa383818e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-06-18T17:35:20Z",
    "title_canon_sha256": "5e303d8dd8743b964f97fa590f58e11a54e31dc96e033a3eda4911a460613a95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05754",
    "kind": "arxiv",
    "version": 1
  }
}