Pith Number

pith:5OBQZKQX

pith:2019:5OBQZKQXRGY4Q3YRYOBRQMXQ2Z

not attested not anchored not stored refs pending

The high-energy radiation environment of the habitable-zone super-Earth LHS 1140b

E. Poretti, F. Borsa, F. Haardt, G. Ghirlanda, G. Ghisellini, R. Spinelli, S. Campana

arxiv:1906.08783 v1 · 2019-06-20 · 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{5OBQZKQXRGY4Q3YRYOBRQMXQ2Z}

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	2026-05-17T23:40:29.977725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eb830caa1789b1c86f11c3831832f0d656b5aae42ad1f6e32d47f490cdbf5717

Aliases

arxiv: 1906.08783 · arxiv_version: 1906.08783v1 · doi: 10.48550/arxiv.1906.08783 · pith_short_12: 5OBQZKQXRGY4 · pith_short_16: 5OBQZKQXRGY4Q3YR · pith_short_8: 5OBQZKQX

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/5OBQZKQXRGY4Q3YRYOBRQMXQ2Z \
  | 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: eb830caa1789b1c86f11c3831832f0d656b5aae42ad1f6e32d47f490cdbf5717

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e38489cdcbe7454553ceb009da38cc875496267a0c5563341ed719eebe403376",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-06-20T18:00:02Z",
    "title_canon_sha256": "b310ca51adb53c687d74d8d6f7e94ff0199cf6e1dcda47ff2e0f8b7fb695b45c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08783",
    "kind": "arxiv",
    "version": 1
  }
}