Pith Number

pith:MHOED423

pith:2025:MHOED423YWUSYKZG7LPXIHSU5A

not attested not anchored not stored refs pending

Scientific Open-Source Software Is Less Likely to Become Abandoned Than One Might Think! Lessons from Curating a Catalog of Maintained Scientific Software

Addi Malviya Thakur, Audris Mockus, Bogdan Vasilescu, Lav\'inia Paganini, Mahmoud Jahanshahi, Reed Milewicz

arxiv:2504.18971 v1 · 2025-04-26 · cs.SE · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MHOED423YWUSYKZG7LPXIHSU5A}

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	2026-07-05T11:24:19.045903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61dc41f35bc5a92c2b26fadf741e54e83be0c78545701bc39839ba761c7ced50

Aliases

arxiv: 2504.18971 · arxiv_version: 2504.18971v1 · doi: 10.48550/arxiv.2504.18971 · pith_short_12: MHOED423YWUS · pith_short_16: MHOED423YWUSYKZG · pith_short_8: MHOED423

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/MHOED423YWUSYKZG7LPXIHSU5A \
  | 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: 61dc41f35bc5a92c2b26fadf741e54e83be0c78545701bc39839ba761c7ced50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a94ec81212fc8e86bbcfd03d8fbe067cafaa32cf73314b411cc304fdfd6c679",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-04-26T16:49:49Z",
    "title_canon_sha256": "4354a37f9c70a78bfba92017a053985c44ee9a2e52fa3f313821d7b12a2a5f7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.18971",
    "kind": "arxiv",
    "version": 1
  }
}