Pith Number

pith:K42KGNSC

pith:2020:K42KGNSCUM773PONRZX5EREQKJ

not attested not anchored not stored refs pending

Implementing version control with Git and GitHub as a learning objective in statistics and data science courses

Adam J. Sullivan, Colin W. Rundel, Maria Tackett, Matthew D. Beckman, Mine \c{C}etinkaya-Rundel, Nicholas J. Horton

arxiv:2001.01988 v3 · 2020-01-07 · stat.CO · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K42KGNSCUM773PONRZX5EREQKJ}

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	2026-07-05T01:49:49.186682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5734a33642a33ffdbdcd8e6fd2449052764b4de9f0383969435e2576a3488b2f

Aliases

arxiv: 2001.01988 · arxiv_version: 2001.01988v3 · doi: 10.48550/arxiv.2001.01988 · pith_short_12: K42KGNSCUM77 · pith_short_16: K42KGNSCUM773PON · pith_short_8: K42KGNSC

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/K42KGNSCUM773PONRZX5EREQKJ \
  | 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: 5734a33642a33ffdbdcd8e6fd2449052764b4de9f0383969435e2576a3488b2f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "978815db30fd22ba118f4aa02a307054fd5b98b985e9d4e08da19d595381c322",
    "cross_cats_sorted": [
      "stat.OT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.CO",
    "submitted_at": "2020-01-07T11:49:38Z",
    "title_canon_sha256": "274c10446a5dbf9ac1bcf1bf7ad37c36f40b3d7b79a3c9f2a3a3f5db69aa5446"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01988",
    "kind": "arxiv",
    "version": 3
  }
}