Pith Number

pith:L4PFIVHT

pith:2025:L4PFIVHTGDCOT5PI5UWG7WNJBK

not attested not anchored not stored refs pending

Short-Term Balmer Line Emission Variability in M Dwarfs

Alejandro N\'u\~nez, Aylin Garcia Soto, Elisabeth R. Newton, Girish M. Duvvuri, Stephanie T. Douglas, Ward S. Howard

arxiv:2502.02568 v2 · 2025-02-04 · 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{L4PFIVHTGDCOT5PI5UWG7WNJBK}

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	2026-07-05T10:30:30.823022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1e5454f330c4e9f5e8ed2c6fd9a90a97a97d74613ad91c93ff355bbdaa15a3

Aliases

arxiv: 2502.02568 · arxiv_version: 2502.02568v2 · doi: 10.48550/arxiv.2502.02568 · pith_short_12: L4PFIVHTGDCO · pith_short_16: L4PFIVHTGDCOT5PI · pith_short_8: L4PFIVHT

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/L4PFIVHTGDCOT5PI5UWG7WNJBK \
  | 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: 5f1e5454f330c4e9f5e8ed2c6fd9a90a97a97d74613ad91c93ff355bbdaa15a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "806428eeaef945b140031fadeea26e788d991c2565dd16702fa8676fbf8a44f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-04T18:41:55Z",
    "title_canon_sha256": "353af6dbf2fe7b345bdc377df66d13028bea5816af7bd3cef1f12b9bc1775c31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.02568",
    "kind": "arxiv",
    "version": 2
  }
}