Pith Number

pith:5LUH4W53

pith:2018:5LUH4W53KVO53RLN66FHHHYU6R

not attested not anchored not stored refs pending

A sudden change of the global magnetic field of the active M dwarf AD Leo revealed by full Stokes spectropolarimetric observations

Alexis Lavail, Gregg Wade, Oleg Kochukhov

arxiv:1807.02346 v1 · 2018-07-06 · 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{5LUH4W53KVO53RLN66FHHHYU6R}

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	2026-05-18T00:09:10.940380Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

eae87e5bbb555dddc56df78a739f14f46a95ec91d8105b1801370e6a82c90021

Aliases

arxiv: 1807.02346 · arxiv_version: 1807.02346v1 · doi: 10.48550/arxiv.1807.02346 · pith_short_12: 5LUH4W53KVO5 · pith_short_16: 5LUH4W53KVO53RLN · pith_short_8: 5LUH4W53

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/5LUH4W53KVO53RLN66FHHHYU6R \
  | 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: eae87e5bbb555dddc56df78a739f14f46a95ec91d8105b1801370e6a82c90021

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b73197f98a143db9d157425929c1a8141fe0375d5fbde05a03f655f4bb8867",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-07-06T10:36:19Z",
    "title_canon_sha256": "66ee44605deb704bb8c081e2e9cdfeb5836b8a1fb3530e60c4886629c79aa153"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02346",
    "kind": "arxiv",
    "version": 1
  }
}