Pith Number

pith:4S3T4JVJ

pith:2026:4S3T4JVJUGKTUMKY6FZZZ4YQZU

not attested not anchored not stored refs pending

Beyond the Grave: An Empirical Study of Dormancy and Revival in Scientific Open-Source Software

Addi Malviya Thakur, Audris Mockus, Bogdan Vasilescu

arxiv:2606.20966 v1 · 2026-06-18 · 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{4S3T4JVJUGKTUMKY6FZZZ4YQZU}

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	2026-06-23T01:12:23.525930Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4b73e26a9a1953a3158f1739cf310cd0dd60e273e3f57876c7265aa27ba9c0d

Aliases

arxiv: 2606.20966 · arxiv_version: 2606.20966v1 · doi: 10.48550/arxiv.2606.20966 · pith_short_12: 4S3T4JVJUGKT · pith_short_16: 4S3T4JVJUGKTUMKY · pith_short_8: 4S3T4JVJ

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/4S3T4JVJUGKTUMKY6FZZZ4YQZU \
  | 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: e4b73e26a9a1953a3158f1739cf310cd0dd60e273e3f57876c7265aa27ba9c0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f89dba25540fae9f4253612be8db1a253d693df5796feb8e432dde05912df49",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-06-18T22:06:07Z",
    "title_canon_sha256": "27493da43cf8adf90e8215e3e61ce87a34abe78ea5192d3582202e0edeb6dc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.20966",
    "kind": "arxiv",
    "version": 1
  }
}