Pith Number

pith:Q52VQU5I

pith:2012:Q52VQU5IIIKW2OXPINS3KY3DOY

not attested not anchored not stored refs pending

Warped Functional Regression

Daniel Gervini

arxiv:1203.1975 v3 · 2012-03-09 · 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{Q52VQU5IIIKW2OXPINS3KY3DOY}

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	2026-05-18T02:53:54.283007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87755853a842156d3aef4365b5636376171e665006a3c0173a34f89b9478851d

Aliases

arxiv: 1203.1975 · arxiv_version: 1203.1975v3 · doi: 10.48550/arxiv.1203.1975 · pith_short_12: Q52VQU5IIIKW · pith_short_16: Q52VQU5IIIKW2OXP · pith_short_8: Q52VQU5I

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/Q52VQU5IIIKW2OXPINS3KY3DOY \
  | 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: 87755853a842156d3aef4365b5636376171e665006a3c0173a34f89b9478851d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d9614c919d74486bbabe09322562f0e129c82722e4899d1cc832d5831b60600",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2012-03-09T02:27:54Z",
    "title_canon_sha256": "8242d972f13eed583dcbc0768f1167ba41b00d3e8291fb8a641c961d8a0e3554"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1975",
    "kind": "arxiv",
    "version": 3
  }
}