Pith Number

pith:XLYFCN6M

pith:2023:XLYFCN6MGBAPI4CZFQ3L7U6WM7

not attested not anchored not stored refs pending

Variations in climate habitability parameters and their effect on Earth's biosphere during the Phanerozoic Eon

Dirk Schulze-Makuch, Iva Vilovi\'c, Ren\'e Heller

arxiv:2308.08470 v1 · 2023-08-16 · 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{XLYFCN6MGBAPI4CZFQ3L7U6WM7}

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	2026-07-05T06:41:59.557094Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baf05137cc3040f470592c36bfd3d667f40c0bf87db3b8354aad4a64de7ab93f

Aliases

arxiv: 2308.08470 · arxiv_version: 2308.08470v1 · doi: 10.48550/arxiv.2308.08470 · pith_short_12: XLYFCN6MGBAP · pith_short_16: XLYFCN6MGBAPI4CZ · pith_short_8: XLYFCN6M

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/XLYFCN6MGBAPI4CZFQ3L7U6WM7 \
  | 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: baf05137cc3040f470592c36bfd3d667f40c0bf87db3b8354aad4a64de7ab93f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "63374a00457e1027286ff0a37dd66597c53b619a1c9d0f4d7057592de8362f4a",
    "cross_cats_sorted": [
      "physics.ao-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2023-08-16T16:20:10Z",
    "title_canon_sha256": "3f8041e4021ece8adaaaac351a93c18b54d27169ac05eef1d0d05547e4c78316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.08470",
    "kind": "arxiv",
    "version": 1
  }
}