Pith Number

pith:SGFP2UCH

pith:2024:SGFP2UCHK2KWPNNIY53P2KI6LZ

not attested not anchored not stored refs pending

Long-term stellar activity of M dwarfs: A combined K2 and TESS study of two early M-type stars

B. Stelzer, St. Raetz

arxiv:2404.16625 v1 · 2024-04-25 · 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{SGFP2UCHK2KWPNNIY53P2KI6LZ}

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	2026-07-05T08:44:37.725367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

918afd5047569567b5a8c776fd291e5e4fc9a4c9ba1497bffb99f2473f7dbd8b

Aliases

arxiv: 2404.16625 · arxiv_version: 2404.16625v1 · doi: 10.48550/arxiv.2404.16625 · pith_short_12: SGFP2UCHK2KW · pith_short_16: SGFP2UCHK2KWPNNI · pith_short_8: SGFP2UCH

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/SGFP2UCHK2KWPNNIY53P2KI6LZ \
  | 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: 918afd5047569567b5a8c776fd291e5e4fc9a4c9ba1497bffb99f2473f7dbd8b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa7b3b6b2ac786630a5306555a20626acacd543dd8bdf6631a621b231a500d05",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2024-04-25T14:09:41Z",
    "title_canon_sha256": "1d53f74502be324f365b49302858be4592d619cf178157cfbcd0fa9f75c772a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.16625",
    "kind": "arxiv",
    "version": 1
  }
}