Pith Number

pith:IEXOTXEL

pith:2022:IEXOTXELEDMKIYXY5ZQ4UYOTH4

not attested not anchored not stored refs pending

Forecast Evaluation for Data Scientists: Common Pitfalls and Best Practices

Christoph Bergmeir, Hansika Hewamalage, Klaus Ackermann

arxiv:2203.10716 v2 · 2022-03-21 · cs.LG · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IEXOTXELEDMKIYXY5ZQ4UYOTH4}

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	2026-07-05T04:11:12.725167Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

412ee9dc8b20d8a462f8ee61ca61d33f36c0077f01e159d3412ed0c65bada1a9

Aliases

arxiv: 2203.10716 · arxiv_version: 2203.10716v2 · doi: 10.48550/arxiv.2203.10716 · pith_short_12: IEXOTXELEDMK · pith_short_16: IEXOTXELEDMKIYXY · pith_short_8: IEXOTXEL

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/IEXOTXELEDMKIYXY5ZQ4UYOTH4 \
  | 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: 412ee9dc8b20d8a462f8ee61ca61d33f36c0077f01e159d3412ed0c65bada1a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c1b81cdf719061f806d427e44ff3f9ee9c520a37a281b466998a2037cf94ce",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-03-21T03:24:46Z",
    "title_canon_sha256": "a5f0223ef5340b38c7d9ec424837fce6483bb84b52017404472b929087390918"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.10716",
    "kind": "arxiv",
    "version": 2
  }
}