Pith Number

pith:7FW5ANGM

pith:2015:7FW5ANGMNN657VSA7FHS33E4AJ

not attested not anchored not stored refs pending

A Model-Based Approach to Climate Reconstruction Using Tree-Ring Data

Andrew Gelman, Edward R. Cook, Keith R. Briffa, Matthew R. Schofield, Richard J. Barker

arxiv:1510.02557 v1 · 2015-10-09 · 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{7FW5ANGMNN657VSA7FHS33E4AJ}

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	2026-05-18T01:30:42.101049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96dd034cc6b7ddfd640f94f2dec9c026dbeaebe401851e44e863a4a2de2c284

Aliases

arxiv: 1510.02557 · arxiv_version: 1510.02557v1 · doi: 10.48550/arxiv.1510.02557 · pith_short_12: 7FW5ANGMNN65 · pith_short_16: 7FW5ANGMNN657VSA · pith_short_8: 7FW5ANGM

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/7FW5ANGMNN657VSA7FHS33E4AJ \
  | 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: f96dd034cc6b7ddfd640f94f2dec9c026dbeaebe401851e44e863a4a2de2c284

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9953bbf1c8d35882a18b1f0edcd41db3d5cbb9a766808cb946be8bd34958df6c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2015-10-09T03:02:40Z",
    "title_canon_sha256": "e2b5b2602767dce9f4ac50bc11cc677c0258e3b714871364b0162030467d2c2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.02557",
    "kind": "arxiv",
    "version": 1
  }
}