Pith Number

pith:W7WRH67U

pith:2020:W7WRH67UUD43WT7XBE7HLZONAK

not attested not anchored not stored refs pending

Estimating the Ultraviolet Emission of M dwarfs with Exoplanets from Ca II and H$\alpha$

Adam Schneider, Aki Roberge, Alexander Brown, Allison Youngblood, Andrea P. Buccino, Brian E. Wood, C. S. Froning, David J. Wilson, Dennis Tilipman, D. J. Teal, Elisabeth R. Newton, Eliza Kempton, Evgenya L. Shkolnik, Feng Tian, Isabella Pagano, Jeffrey L. Linsky, Joshua E. Schlieder, J. Sebastian Pineda, Katherine Melbourne, Kevin France, Mariela Vieytes, Nicole Arulanantham, Pablo Mauas, P. Christian Schneider, P. Wilson Cauley, R. O. Parke Loyd, Sarah E. Logsdon, Sarah Peacock, Sarah Rugheimer, Sarbani Basu, Seth Redfield, Zachory Berta-Thompson

arxiv:2009.07869 v1 · 2020-09-16 · astro-ph.SR · 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{W7WRH67UUD43WT7XBE7HLZONAK}

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	2026-07-05T01:53:57.044819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7ed13fbf4a0f9bb4ff7093e75e5cd02b4cfc5663f7716b07023448a4347af6c

Aliases

arxiv: 2009.07869 · arxiv_version: 2009.07869v1 · doi: 10.48550/arxiv.2009.07869 · pith_short_12: W7WRH67UUD43 · pith_short_16: W7WRH67UUD43WT7X · pith_short_8: W7WRH67U

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/W7WRH67UUD43WT7XBE7HLZONAK \
  | 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: b7ed13fbf4a0f9bb4ff7093e75e5cd02b4cfc5663f7716b07023448a4347af6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f697cbc4ddff0dfb7b4fdc801343ca912c23f647e0ebb0d8c0d0fb8d1938c372",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2020-09-16T18:01:23Z",
    "title_canon_sha256": "10c05aa9ff3c376868e6da87cdb576b3f28916c5e5dd81f27f6e93b92d73284c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.07869",
    "kind": "arxiv",
    "version": 1
  }
}