Pith Number

pith:I4RITV3Y

pith:2014:I4RITV3YZYAUIR4C7ZONB5XTPP

not attested not anchored not stored refs pending

The OpenCPU System: Towards a Universal Interface for Scientific Computing through Separation of Concerns

Jeroen Ooms

arxiv:1406.4806 v1 · 2014-06-04 · stat.CO · cs.MS · 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{I4RITV3YZYAUIR4C7ZONB5XTPP}

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	2026-05-18T02:49:30.262174Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

472289d778ce01444782fe5cd0f6f37bdf15551c9a666c8fff519292412a4edf

Aliases

arxiv: 1406.4806 · arxiv_version: 1406.4806v1 · doi: 10.48550/arxiv.1406.4806 · pith_short_12: I4RITV3YZYAU · pith_short_16: I4RITV3YZYAUIR4C · pith_short_8: I4RITV3Y

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/I4RITV3YZYAUIR4C7ZONB5XTPP \
  | 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: 472289d778ce01444782fe5cd0f6f37bdf15551c9a666c8fff519292412a4edf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e853ab0c7c612505b7eacf38411c40dc105015c88c36ac8c18f691d37884dfaa",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.SE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2014-06-04T00:03:52Z",
    "title_canon_sha256": "33b47f9c7f95eb251f4e0d0e1d695bb2ecf69541ce606ead51d811df0659df95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.4806",
    "kind": "arxiv",
    "version": 1
  }
}