Pith Number

pith:4ZDJ5K3O

pith:2025:4ZDJ5K3O6MOHGOPUUXDHNGYY3U

not attested not anchored not stored refs pending

Detecting Atmospheric CO2 Trends as Population-Level Signatures for Long-Term Stable Water Oceans and Biotic Activity on Temperate Terrestrial Exoplanets

Bj\"orn S. Konrad, Daniel Angerhausen, Derek Vance, Eleonora Alei, Emily O. Garvin, Felix A. Dannert, Janina Hansen, Jens Kammerer, Sascha P. Quanz

arxiv:2505.23230 v1 · 2025-05-29 · astro-ph.EP · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZDJ5K3O6MOHGOPUUXDHNGYY3U}

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	2026-07-05T11:11:58.021773Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6469eab6ef31c7339f4a5c6769b18dd3ac3dc65446544ca1f01419a57c8843b

Aliases

arxiv: 2505.23230 · arxiv_version: 2505.23230v1 · doi: 10.48550/arxiv.2505.23230 · pith_short_12: 4ZDJ5K3O6MOH · pith_short_16: 4ZDJ5K3O6MOHGOPU · pith_short_8: 4ZDJ5K3O

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/4ZDJ5K3O6MOHGOPUUXDHNGYY3U \
  | 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: e6469eab6ef31c7339f4a5c6769b18dd3ac3dc65446544ca1f01419a57c8843b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e754a0fe84511513274833f3c9b3ea41e6c48a3e941fe6a75ea80ae44df857fc",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2025-05-29T08:31:15Z",
    "title_canon_sha256": "7f57b217d4afef28b0e6df109216a844dff9e8388e4e0ae5c923eef00b312520"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.23230",
    "kind": "arxiv",
    "version": 1
  }
}