Pith Number

pith:DT75VALX

pith:2018:DT75VALXTNGGJAWCOBXYZBEYXX

not attested not anchored not stored refs pending

Cycle period, differential rotation and meridional flow for early M dwarf stars

G. R\"udiger, K. G. Strassmeier, K. Ol\'ah, M. K\"uker

arxiv:1804.02925 v2 · 2018-04-09 · 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{DT75VALXTNGGJAWCOBXYZBEYXX}

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	2026-05-17T23:55:14.833206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cffda81779b4c6482c2706f8c8498bdd3f7717295c2c88067c709582a58254e

Aliases

arxiv: 1804.02925 · arxiv_version: 1804.02925v2 · doi: 10.48550/arxiv.1804.02925 · pith_short_12: DT75VALXTNGG · pith_short_16: DT75VALXTNGGJAWC · pith_short_8: DT75VALX

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/DT75VALXTNGGJAWCOBXYZBEYXX \
  | 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: 1cffda81779b4c6482c2706f8c8498bdd3f7717295c2c88067c709582a58254e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d36cc1ae30953befc57fc63211e801b881dde8b3fdb9765871ea4322097b0b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-04-09T11:49:56Z",
    "title_canon_sha256": "9f286a596e94ae6f82921619c2f269529746a2b6a451297b37e343b2c12e361b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02925",
    "kind": "arxiv",
    "version": 2
  }
}