Pith Number

pith:M2QSNYHE

pith:2018:M2QSNYHE4AB345MDKZGM6OGKEB

not attested not anchored not stored refs pending

A Methane Extension to the Classical Habitable Zone

Lisa Kaltenegger, Ramses M. Ramirez

arxiv:1805.02801 v1 · 2018-05-08 · 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{M2QSNYHE4AB345MDKZGM6OGKEB}

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	2026-05-18T00:15:13.602696Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66a126e0e4e003be7583564ccf38ca20565a3d4b1e5ab5875f26a6c9d3378612

Aliases

arxiv: 1805.02801 · arxiv_version: 1805.02801v1 · doi: 10.48550/arxiv.1805.02801 · pith_short_12: M2QSNYHE4AB3 · pith_short_16: M2QSNYHE4AB345MD · pith_short_8: M2QSNYHE

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/M2QSNYHE4AB345MDKZGM6OGKEB \
  | 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: 66a126e0e4e003be7583564ccf38ca20565a3d4b1e5ab5875f26a6c9d3378612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c115769019af9e1ba9c24a17c5e43c9b6d8a9f2ffbf43deaba1963d27aa2f1b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-05-08T01:58:08Z",
    "title_canon_sha256": "bd4a54e168b5e50312d0a9756cac77433c3bd2799d7532b164976846f02bc150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.02801",
    "kind": "arxiv",
    "version": 1
  }
}