Pith Number

pith:SPBYEQ3M

pith:2019:SPBYEQ3M3H364KTQM4O4V3BYLZ

not attested not anchored not stored refs pending

Climate Sensitivity to Carbon Dioxide and Moist Greenhouse threshold of Earth-like planets under an increasing solar forcing

Frank Lunkeit, Illeana Gomez-Leal, Lisa Kaltenegger, Valerio Lucarini

arxiv:1901.02901 v1 · 2019-01-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPBYEQ3M3H364KTQM4O4V3BYLZ}

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	2026-05-17T23:56:36.084636Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c382436cd9f7ee2a70671dcaec385e72f4627dc65bdaca865f6e582ab18677

Aliases

arxiv: 1901.02901 · arxiv_version: 1901.02901v1 · doi: 10.48550/arxiv.1901.02901 · pith_short_12: SPBYEQ3M3H36 · pith_short_16: SPBYEQ3M3H364KTQ · pith_short_8: SPBYEQ3M

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/SPBYEQ3M3H364KTQM4O4V3BYLZ \
  | 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: 93c382436cd9f7ee2a70671dcaec385e72f4627dc65bdaca865f6e582ab18677

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30e55d53e23c30ac13aaa6ae7c0fd2fbf0e7f356a508bcee244ccdf4ba085271",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-01-09T19:00:24Z",
    "title_canon_sha256": "d5e2f9c9d56ed8c9d353b5e9a6a685d5b9fe5ed90b404a2ea86205efa7e9a972"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.02901",
    "kind": "arxiv",
    "version": 1
  }
}