Pith Number

pith:26UXMKFR

pith:2020:26UXMKFRAIRU2WPMKN7ZQGXAV5

not attested not anchored not stored refs pending

Ari: The Automated R Instructor

Jeffrey T. Leek, John Muschelli, Sean Kross

arxiv:2007.13477 v2 · 2020-05-27 · cs.MM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{26UXMKFRAIRU2WPMKN7ZQGXAV5}

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	2026-07-05T01:24:17.000845Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7a97628b102234d59ec537f981ae0af7419ca9a6d03f57308c7ef9173717932

Aliases

arxiv: 2007.13477 · arxiv_version: 2007.13477v2 · doi: 10.48550/arxiv.2007.13477 · pith_short_12: 26UXMKFRAIRU · pith_short_16: 26UXMKFRAIRU2WPM · pith_short_8: 26UXMKFR

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/26UXMKFRAIRU2WPMKN7ZQGXAV5 \
  | 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: d7a97628b102234d59ec537f981ae0af7419ca9a6d03f57308c7ef9173717932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "541002bea26684651053d98f3418b6ca108c28b93dce147354f540dfe98f8524",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MM",
    "submitted_at": "2020-05-27T17:28:31Z",
    "title_canon_sha256": "dccb48f86ebc2349edf9d8c339a3b14ffb3498b2fa4aa33b88e01677d923e9c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.13477",
    "kind": "arxiv",
    "version": 2
  }
}