Pith Number

pith:2POCWPVD

pith:2018:2POCWPVDZBGUZ5JGQHUAVQYVSX

not attested not anchored not stored refs pending

Evolved Climates and Observational Discriminants for the TRAPPIST-1 Planetary System

Andrew P. Lincowski, David Crisp, Giada N. Arney, Jacob Lustig-Yaeger, Rodrigo Luger, Tyler D. Robinson, Victoria S. Meadows

arxiv:1809.07498 v1 · 2018-09-20 · 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{2POCWPVDZBGUZ5JGQHUAVQYVSX}

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	2026-05-18T00:01:28.207525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3dc2b3ea3c84d4cf52681e80ac31595cefeefac9e9c8ca7999377a9f6b35cda

Aliases

arxiv: 1809.07498 · arxiv_version: 1809.07498v1 · doi: 10.48550/arxiv.1809.07498 · pith_short_12: 2POCWPVDZBGU · pith_short_16: 2POCWPVDZBGUZ5JG · pith_short_8: 2POCWPVD

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/2POCWPVDZBGUZ5JGQHUAVQYVSX \
  | 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: d3dc2b3ea3c84d4cf52681e80ac31595cefeefac9e9c8ca7999377a9f6b35cda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbb96093cf8deb9f64e7c810d1fea1122dab8cc5281cf2df2904f55c34dabdd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2018-09-20T07:04:42Z",
    "title_canon_sha256": "f1b38d34f5f546f2c4f1e6b9086249154130c72d39860b217db1cb4043ff8b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.07498",
    "kind": "arxiv",
    "version": 1
  }
}