Pith Number

pith:CFKL4ZKC

pith:2020:CFKL4ZKCQWO2NNHMVAZW6SNPZ5

not attested not anchored not stored refs pending

Understanding the Impacts of Stellar Companions on Planet Formation and Evolution: A Survey of Stellar and Planetary Companions within 25 pc

Andrew W. Howard, Benjamin J. Fulton, Bruce Macintosh, David R. Ciardi, Eric L. Nielsen, Erik A. Petigura, Evan Sinukoff, Geoffrey W. Marcy, Howard Isaacson, Lauren M. Weiss, Lea A. Hirsch, Lee Rosenthal, Robert J. De Rosa

arxiv:2012.09190 v1 · 2020-12-16 · astro-ph.EP · astro-ph.GA · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CFKL4ZKCQWO2NNHMVAZW6SNPZ5}

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	2026-07-05T02:19:40.963907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1154be6542859da6b4eca8336f49afcf6620b91630b1ca2bd2ba145ff77e8174

Aliases

arxiv: 2012.09190 · arxiv_version: 2012.09190v1 · doi: 10.48550/arxiv.2012.09190 · pith_short_12: CFKL4ZKCQWO2 · pith_short_16: CFKL4ZKCQWO2NNHM · pith_short_8: CFKL4ZKC

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/CFKL4ZKCQWO2NNHMVAZW6SNPZ5 \
  | 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: 1154be6542859da6b4eca8336f49afcf6620b91630b1ca2bd2ba145ff77e8174

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f39ccf1c6e800ef65d877c8662447ac6a1d58f7daf71678e72ab24e8d15558",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-12-16T19:00:04Z",
    "title_canon_sha256": "e7893fe78070cf7c45682a6e25d6b97eb10ed29c6d97847969408519c80a4fdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.09190",
    "kind": "arxiv",
    "version": 1
  }
}