Pith Number

pith:CU7OLPPG

pith:2019:CU7OLPPGRCG3DO6LDX4NWOU7LI

not attested not anchored not stored refs pending

The Composition and Mineralogy of Rocky Exoplanets: A Survey of >4,000 Stars from the Hypatia Catalog

John C. Rarick, Keith D. Putirka

arxiv:1907.05506 v1 · 2019-07-11 · 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{CU7OLPPGRCG3DO6LDX4NWOU7LI}

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	2026-05-17T23:40:48.122567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

153ee5bde6888db1bbcb1df8db3a9f5a16fc429e69a61687f261a1d57d1635e2

Aliases

arxiv: 1907.05506 · arxiv_version: 1907.05506v1 · doi: 10.48550/arxiv.1907.05506 · pith_short_12: CU7OLPPGRCG3 · pith_short_16: CU7OLPPGRCG3DO6L · pith_short_8: CU7OLPPG

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/CU7OLPPGRCG3DO6LDX4NWOU7LI \
  | 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: 153ee5bde6888db1bbcb1df8db3a9f5a16fc429e69a61687f261a1d57d1635e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750e7307c8e531173f7d60518f0614c051c1b8850cdae075d6416d7e1841a9ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-07-11T22:04:50Z",
    "title_canon_sha256": "6a2fc3de6c2ea59ea7d81423884bbc623819655671073d98c840822c1056e01a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05506",
    "kind": "arxiv",
    "version": 1
  }
}