Pith Number

pith:K62QWPWN

pith:2020:K62QWPWN2ZCTKBZQFIOZ2SHSKP

not attested not anchored not stored refs pending

Magma ocean evolution of the TRAPPIST-1 planets

Lena Noack, Ludmila Carone, Patrick Barth, Paul Molli\`ere, Rory Barnes, Thomas Henning

arxiv:2008.09599 v3 · 2020-08-21 · 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{K62QWPWN2ZCTKBZQFIOZ2SHSKP}

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	2026-07-05T03:12:36.760133Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57b50b3ecdd6453507302a1d9d48f253e7cc9ed9a069e37ff783ac55ce4f768b

Aliases

arxiv: 2008.09599 · arxiv_version: 2008.09599v3 · doi: 10.48550/arxiv.2008.09599 · pith_short_12: K62QWPWN2ZCT · pith_short_16: K62QWPWN2ZCTKBZQ · pith_short_8: K62QWPWN

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/K62QWPWN2ZCTKBZQFIOZ2SHSKP \
  | 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: 57b50b3ecdd6453507302a1d9d48f253e7cc9ed9a069e37ff783ac55ce4f768b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56350be6be306bc1c7c43a586d2b547fa48b1ee125c26eeb619d3ff87e702951",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-08-21T17:53:29Z",
    "title_canon_sha256": "66a99ecca2e0039598b8e100fcf9793e62ea072cbe8d80c34c083ddcf94d4720"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.09599",
    "kind": "arxiv",
    "version": 3
  }
}