Pith Number

pith:VM2KYN7A

pith:2020:VM2KYN7AYZ74EXSUSYT4SGNQ5H

not attested not anchored not stored refs pending

TOI 540 b: A Planet Smaller than Earth Orbiting a Nearby Rapidly Rotating Low-mass Star

Alan M. Levine, Amber Medina, Andrew W. Mann, B\'arbara Rojas-Ayala, Carl Ziegler, David Charbonneau, David W. Latham, Eric B. Ting, George Ricker, James S. Jenkins, Jennifer G. Winters, Jonathan Irwin, Jon M. Jenkins, Joseph D. Twicken, Joshua N. Winn, Kristo Ment (Center for Astrophysics | Harvard & Smithsonian), Mat\'ias R. D\'iaz, Nicholas Law, Pamela Rowden, Robert F. Goeke, Roland Vanderspek, Ryan Cloutier, Sara Seager

arxiv:2009.13623 v1 · 2020-09-28 · 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{VM2KYN7AYZ74EXSUSYT4SGNQ5H}

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	2026-07-05T02:01:15.020132Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab34ac37e0c67fc25e549627c919b0e9d739869ea0ad293ac7ad6f18b4af21d4

Aliases

arxiv: 2009.13623 · arxiv_version: 2009.13623v1 · doi: 10.48550/arxiv.2009.13623 · pith_short_12: VM2KYN7AYZ74 · pith_short_16: VM2KYN7AYZ74EXSU · pith_short_8: VM2KYN7A

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/VM2KYN7AYZ74EXSUSYT4SGNQ5H \
  | 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: ab34ac37e0c67fc25e549627c919b0e9d739869ea0ad293ac7ad6f18b4af21d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c865f082670fc08e58bd0e74b1bde56f94db4e2029de082916e4cd5398230200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2020-09-28T20:58:53Z",
    "title_canon_sha256": "c40531be720a91705719c56bee9a21889be564ee50003e1f0ca02377e186913d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.13623",
    "kind": "arxiv",
    "version": 1
  }
}