Pith Number

pith:QP2FU3EL

pith:2024:QP2FU3ELJTK6Y6TFSTN3E2Y5NA

not attested not anchored not stored refs pending

Airy worlds or barren rocks? On the survivability of secondary atmospheres around the TRAPPIST-1 planets

Gwena\"el Van Looveren, Kristina Kislyakova, Manuel G\"udel, Sudeshna Boro Saikia

arxiv:2401.16490 v1 · 2024-01-29 · 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{QP2FU3ELJTK6Y6TFSTN3E2Y5NA}

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	2026-07-05T07:38:55.832084Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83f45a6c8b4cd5ec7a6594dbb26b1d682b810625ced87c6ab5c8e1510209cd67

Aliases

arxiv: 2401.16490 · arxiv_version: 2401.16490v1 · doi: 10.48550/arxiv.2401.16490 · pith_short_12: QP2FU3ELJTK6 · pith_short_16: QP2FU3ELJTK6Y6TF · pith_short_8: QP2FU3EL

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/QP2FU3ELJTK6Y6TFSTN3E2Y5NA \
  | 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: 83f45a6c8b4cd5ec7a6594dbb26b1d682b810625ced87c6ab5c8e1510209cd67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2473857c268ee06bf827249131576f71559cfa6c0cf874e9ed38e16590695a34",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2024-01-29T19:04:07Z",
    "title_canon_sha256": "449c410d03fc6db51648c678d94527016a23e9eb998d6b27461ceb86b5a8dc10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.16490",
    "kind": "arxiv",
    "version": 1
  }
}