Pith Number

pith:YPCK54L7

pith:2025:YPCK54L7DIQRB2SYL3QRFXBIBX

not attested not anchored not stored refs pending

Lyman-Alpha Emission from K and M Dwarfs: Intrinsic Profiles, Variability, and Flux in the Habitable Zone

Adam C. Schneider, Allison Youngblood, Evgenya L. Shkolnik, Kenneth G. Carpenter, R. O. Parke Loyd, Sarah Peacock, Travis S. Barman

arxiv:2509.09029 v1 · 2025-09-10 · 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{YPCK54L7DIQRB2SYL3QRFXBIBX}

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	2026-07-05T12:09:27.973585Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3c4aef17f1a2110ea585ee112dc280dcf7be108c8e07f9d7c78db093e28370d

Aliases

arxiv: 2509.09029 · arxiv_version: 2509.09029v1 · doi: 10.48550/arxiv.2509.09029 · pith_short_12: YPCK54L7DIQR · pith_short_16: YPCK54L7DIQRB2SY · pith_short_8: YPCK54L7

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/YPCK54L7DIQRB2SYL3QRFXBIBX \
  | 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: c3c4aef17f1a2110ea585ee112dc280dcf7be108c8e07f9d7c78db093e28370d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "396b6cda64e37d4cecc48cf024f5b87eb42121d5bda2901dfb0c331466fd4834",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-09-10T21:57:26Z",
    "title_canon_sha256": "4efaccfca1bc6cb362721f78322147e4bfc0cc05181041e35802824473bba43a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09029",
    "kind": "arxiv",
    "version": 1
  }
}