Pith Number

pith:NDPHNGYR

pith:2026:NDPHNGYR3UYCHWARZCN4HH7CBX

not attested not anchored not stored refs pending

Open Source Is Not One Thing: A Typology of Open-Source Software Sub-Genres

Mohamed Ouf, Rowan Hussein

arxiv:2607.01750 v1 · 2026-07-02 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDPHNGYR3UYCHWARZCN4HH7CBX}

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	2026-07-03T01:17:28.462889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68de769b11dd3023d811c89bc39fe20dff7229125d46434e61855ba8744dd98c

Aliases

arxiv: 2607.01750 · arxiv_version: 2607.01750v1 · doi: 10.48550/arxiv.2607.01750 · pith_short_12: NDPHNGYR3UYC · pith_short_16: NDPHNGYR3UYCHWAR · pith_short_8: NDPHNGYR

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/NDPHNGYR3UYCHWARZCN4HH7CBX \
  | 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: 68de769b11dd3023d811c89bc39fe20dff7229125d46434e61855ba8744dd98c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa4b46270c5b3239fe4cc1ec9584546af16fd992bd68edc8834d6d2b1a76ba9a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2026-07-02T06:07:12Z",
    "title_canon_sha256": "a1f10d39f68a843b1de42b1ff705972c1f401169bd3ae174911408725d462917"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01750",
    "kind": "arxiv",
    "version": 1
  }
}