Pith Number

pith:XLP3EVZ3

pith:2020:XLP3EVZ3KP3NQY45DXR4VBWLDY

not attested not anchored not stored refs pending

Regularized Fingerprinting in Detection and Attribution of Climate Change with Weight Matrix Optimizing the Efficiency in Scaling Factor Estimation

Jun Yan, Kun Chen, Xuebin Zhang, Yan Li

arxiv:2012.04200 v1 · 2020-12-08 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XLP3EVZ3KP3NQY45DXR4VBWLDY}

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	2026-07-05T10:59:21.626877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

badfb2573b53f6d8639d1de3ca86cb1e1b2d04650b9fa07e211257ecfbbde091

Aliases

arxiv: 2012.04200 · arxiv_version: 2012.04200v1 · doi: 10.48550/arxiv.2012.04200 · pith_short_12: XLP3EVZ3KP3N · pith_short_16: XLP3EVZ3KP3NQY45 · pith_short_8: XLP3EVZ3

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/XLP3EVZ3KP3NQY45DXR4VBWLDY \
  | 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: badfb2573b53f6d8639d1de3ca86cb1e1b2d04650b9fa07e211257ecfbbde091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "21f62a977d8c6aad4a7175b426a219dc9d6c7ab142942f2b14ef9d3b32038f8d",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2020-12-08T04:07:59Z",
    "title_canon_sha256": "5bbaaca31b3ca0eab761512135dd7b8c24c3884d70fd1f79b1d06115243c1127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.04200",
    "kind": "arxiv",
    "version": 1
  }
}