Pith Number

pith:2JTT3TXX

pith:2019:2JTT3TXXD462Q3L7HCQIEIR742

not attested not anchored not stored refs pending

Absence of a thick atmosphere on the terrestrial exoplanet LHS 3844b

Abraham Loeb, Andrew Vanderburg, Caroline Morley, Daniel D.B. Koll, David Berardo, David Charbonneau, David W. Latham, Drake Deming, George Ricker, Ian Crossfield, Jason Dittmann, Keivan Stassun, Kevin B. Stevenson, Laura Kreidberg, Laura Schaefer, Renyu Hu, Roland Vanderspek, Sara Seager, Xueying Guo

arxiv:1908.06834 v1 · 2019-08-19 · 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{2JTT3TXXD462Q3L7HCQIEIR742}

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	2026-07-04T23:58:19.872838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2673dcef71f3da86d7f38a082223fe6bda4c8430df86234b0f27cd90f9f6eef

Aliases

arxiv: 1908.06834 · arxiv_version: 1908.06834v1 · doi: 10.48550/arxiv.1908.06834 · pith_short_12: 2JTT3TXXD462 · pith_short_16: 2JTT3TXXD462Q3L7 · pith_short_8: 2JTT3TXX

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/2JTT3TXXD462Q3L7HCQIEIR742 \
  | 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: d2673dcef71f3da86d7f38a082223fe6bda4c8430df86234b0f27cd90f9f6eef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "356c44616ca901915ebfde6c645b12c745b31f152b35381c463eeadee6bd1ba4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-19T14:37:15Z",
    "title_canon_sha256": "ceb62f7f41a6daa4bda474c34dce2c498b89411adfc3cad54d36045ebb770188"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06834",
    "kind": "arxiv",
    "version": 1
  }
}