Pith Number

pith:WWIF7QHI

pith:2016:WWIF7QHIPKMC2ONT74QPRT7MXH

not attested not anchored not stored refs pending

Climate Cycling on Early Mars Caused by the Carbonate-Silicate Cycle

Jacob Haqq-Misra, James F. Kasting, Natasha E. Batalha, Ravi K. Kopparapu

arxiv:1609.00602 v1 · 2016-09-02 · 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{WWIF7QHIPKMC2ONT74QPRT7MXH}

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	2026-05-18T00:57:43.786919Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5905fc0e87a982d39b3ff20f8cfecb9d357a6339272339cf7fb95d2f7cfbaaf

Aliases

arxiv: 1609.00602 · arxiv_version: 1609.00602v1 · doi: 10.48550/arxiv.1609.00602 · pith_short_12: WWIF7QHIPKMC · pith_short_16: WWIF7QHIPKMC2ONT · pith_short_8: WWIF7QHI

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/WWIF7QHIPKMC2ONT74QPRT7MXH \
  | 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: b5905fc0e87a982d39b3ff20f8cfecb9d357a6339272339cf7fb95d2f7cfbaaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b8d199808b78e8972e41fc9bc1c4f27f28cd8e34942dabe5473b0f52a2dd368",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2016-09-02T13:53:05Z",
    "title_canon_sha256": "e1eb46a4214b37e2b0f9344854df1cd65c18f5fa0cf2e951e4e22787d4a659db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00602",
    "kind": "arxiv",
    "version": 1
  }
}