Pith Number

pith:KE3D3Q5T

pith:2026:KE3D3Q5T5VFJS3C2ULPWKJOZAU

not attested not anchored not stored refs pending

Public Sector Open Source Program Offices -- Archetypes for how to Grow (Common) Institutional Capabilities

Astor Nummelin Carlberg, Ciaran O'Riordan, Johan Lin{\aa}ker

arxiv:2603.04891 v2 · 2026-03-05 · 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{KE3D3Q5T5VFJS3C2ULPWKJOZAU}

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	2026-06-05T01:14:36.027175Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51363dc3b3ed4a996c5aa2df6525d9050b4c907d73370b3790942ad29670d10f

Aliases

arxiv: 2603.04891 · arxiv_version: 2603.04891v2 · doi: 10.48550/arxiv.2603.04891 · pith_short_12: KE3D3Q5T5VFJ · pith_short_16: KE3D3Q5T5VFJS3C2 · pith_short_8: KE3D3Q5T

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/KE3D3Q5T5VFJS3C2ULPWKJOZAU \
  | 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: 51363dc3b3ed4a996c5aa2df6525d9050b4c907d73370b3790942ad29670d10f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "930acb27bdeca05e83db5020ef6abe171c7e1f66939708d52f4f62b8348381c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2026-03-05T07:31:47Z",
    "title_canon_sha256": "0d876655c1ada7378ce3163a51053770f6568b40baeda1cd441ba6748cbc8b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.04891",
    "kind": "arxiv",
    "version": 2
  }
}