Pith Number

pith:HBUDLFL4

pith:2019:HBUDLFL4XSSBONV7VJUQBHPORF

not attested not anchored not stored refs pending

The impact of stripped cores on the frequency of Earth-size planets in the habitable zone

E. Lopez, G. Mulders, I. Pascucci

arxiv:1908.06192 v1 · 2019-08-16 · 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{HBUDLFL4XSSBONV7VJUQBHPORF}

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	2026-07-05T00:08:37.197745Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386835957cbca41736bfaa69009dee894f08a5acf1147927b9ce334dcfd612f5

Aliases

arxiv: 1908.06192 · arxiv_version: 1908.06192v1 · doi: 10.48550/arxiv.1908.06192 · pith_short_12: HBUDLFL4XSSB · pith_short_16: HBUDLFL4XSSBONV7 · pith_short_8: HBUDLFL4

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/HBUDLFL4XSSBONV7VJUQBHPORF \
  | 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: 386835957cbca41736bfaa69009dee894f08a5acf1147927b9ce334dcfd612f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b92055fe93e0caac14f753e400d87048f2a312a5f53ea3698da5ec67981a943",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-08-16T22:09:00Z",
    "title_canon_sha256": "5b68490f4c18fc8290d35940e8d39489c81bc2b10f74c47b66a3ff64b44cbbe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06192",
    "kind": "arxiv",
    "version": 1
  }
}