Pith Number

pith:3PFQ4QYA

pith:2010:3PFQ4QYA4VS74OAIORXORGZGPW

not attested not anchored not stored refs pending

A Pedagogical "Toy" Climate Model

J. I. Katz

arxiv:1002.1672 v1 · 2010-02-08 · physics.soc-ph · physics.ao-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PFQ4QYA4VS74OAIORXORGZGPW}

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	2026-05-18T03:53:42.673929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbcb0e4300e565fe3808746ee89b267dbb9add813ed20d5caff0b212da7d3ec9

Aliases

arxiv: 1002.1672 · arxiv_version: 1002.1672v1 · doi: 10.48550/arxiv.1002.1672 · pith_short_12: 3PFQ4QYA4VS7 · pith_short_16: 3PFQ4QYA4VS74OAI · pith_short_8: 3PFQ4QYA

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/3PFQ4QYA4VS74OAIORXORGZGPW \
  | 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: dbcb0e4300e565fe3808746ee89b267dbb9add813ed20d5caff0b212da7d3ec9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abd3fa64e5f7af4f4d5a9b3eeeac07c29bd09459b7de36cef1d56796f01047ed",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-02-08T18:07:15Z",
    "title_canon_sha256": "206424e83d6389113e9a2afb6fb3c7e7f19bb45c6c3e134a677738dcd3a5eb4b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.1672",
    "kind": "arxiv",
    "version": 1
  }
}