Pith Number

pith:TNYGGETI

pith:2011:TNYGGETIIC42CKI4S3E72TSQSP

not attested not anchored not stored refs pending

Clouds and the Faint Young Sun Paradox

Colin Goldblatt, Kevin J. Zahnle

arxiv:1102.3209 v1 · 2011-02-16 · astro-ph.EP · 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{TNYGGETIIC42CKI4S3E72TSQSP}

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	2026-05-18T02:03:10.660662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9b7063126840b9a1291c96c9fd4e5093c05dc025a8c8b234fe64ee2a89bb4091

Aliases

arxiv: 1102.3209 · arxiv_version: 1102.3209v1 · doi: 10.48550/arxiv.1102.3209 · pith_short_12: TNYGGETIIC42 · pith_short_16: TNYGGETIIC42CKI4 · pith_short_8: TNYGGETI

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/TNYGGETIIC42CKI4S3E72TSQSP \
  | 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: 9b7063126840b9a1291c96c9fd4e5093c05dc025a8c8b234fe64ee2a89bb4091

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41fbd44010db0cbf17e862c601604878add11e0c6b16be7f9e47022075068696",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-02-16T00:12:21Z",
    "title_canon_sha256": "73565df69b2948ca7b5d41804ddae63cbea24c9e74c60043b634e261d18e4f90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3209",
    "kind": "arxiv",
    "version": 1
  }
}