Pith Number

pith:MMNPQPJI

pith:2019:MMNPQPJIIAMMRLHHGZW3VCMKZ3

not attested not anchored not stored refs pending

Tidal Heating and the Habitability of the TRAPPIST-1 Exoplanets

Amy C. Barr, L\'aszl\'o L. Kiss, Vera Dobos

arxiv:1902.03867 v1 · 2019-02-11 · 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{MMNPQPJIIAMMRLHHGZW3VCMKZ3}

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	2026-05-17T23:49:39.209053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

631af83d284018c8ace7366dba898aced59c0c5ad3439235975a7c43eee1dac6

Aliases

arxiv: 1902.03867 · arxiv_version: 1902.03867v1 · doi: 10.48550/arxiv.1902.03867 · pith_short_12: MMNPQPJIIAMM · pith_short_16: MMNPQPJIIAMMRLHH · pith_short_8: MMNPQPJI

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/MMNPQPJIIAMMRLHHGZW3VCMKZ3 \
  | 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: 631af83d284018c8ace7366dba898aced59c0c5ad3439235975a7c43eee1dac6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9d14c87a7b3ae8a3b9f755cc0354faab6c99cb469e6cc98528b6c3170d4ccc3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-11T13:34:28Z",
    "title_canon_sha256": "a9d2d910eb7a34f8c9d411603a1c61f591d74b014e62fa849d15267edeaf5aa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03867",
    "kind": "arxiv",
    "version": 1
  }
}