Pith Number

pith:TTEDFR73

pith:2025:TTEDFR73KWXHZAW3PKUOLNLCVS

not attested not anchored not stored refs pending

Testing Clustered Equal Predictive Ability with Unknown Clusters

Alain Pirotte, Giovanni Urga, Oguzhan Akgun, Zhenlin Yang

arxiv:2507.14621 v2 · 2025-07-19 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TTEDFR73KWXHZAW3PKUOLNLCVS}

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	2026-07-05T11:44:09.418334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc832c7fb55ae7c82db7aa8e5b562acb1745701a7dff078095f7d1e091ea992

Aliases

arxiv: 2507.14621 · arxiv_version: 2507.14621v2 · doi: 10.48550/arxiv.2507.14621 · pith_short_12: TTEDFR73KWXH · pith_short_16: TTEDFR73KWXHZAW3 · pith_short_8: TTEDFR73

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/TTEDFR73KWXHZAW3PKUOLNLCVS \
  | 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: 9cc832c7fb55ae7c82db7aa8e5b562acb1745701a7dff078095f7d1e091ea992

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db3a7be8166359002818478b625df72c10429fce80cc5b526525d5c98a6712e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2025-07-19T13:38:05Z",
    "title_canon_sha256": "7a0769aa19ce41898ce9027d9fd27e7235645934f682882a75933d85d30c1da5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.14621",
    "kind": "arxiv",
    "version": 2
  }
}