Pith Number

pith:PA7XLR47

pith:2008:PA7XLR47KMVYBWYHUVGOHP5EVX

not attested not anchored not stored refs pending

Large-scale magnetic topologies of M dwarfs

J.-F. Donati, J. Morin, M. M. Jardine, T. Forveille, X. Delfosse

arxiv:0809.4564 v1 · 2008-09-26 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PA7XLR47KMVYBWYHUVGOHP5EVX}

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	2026-05-18T02:35:14.659661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

783f75c79f532b80db07a54ce3bfa4adce73b5340e360521aa5a08c11ff221aa

Aliases

arxiv: 0809.4564 · arxiv_version: 0809.4564v1 · doi: 10.48550/arxiv.0809.4564 · pith_short_12: PA7XLR47KMVY · pith_short_16: PA7XLR47KMVYBWYH · pith_short_8: PA7XLR47

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/PA7XLR47KMVYBWYHUVGOHP5EVX \
  | 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: 783f75c79f532b80db07a54ce3bfa4adce73b5340e360521aa5a08c11ff221aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ebae65e8a3d1894d60863439880e1cbec3841aeffe465e000152f3403abce5aa",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-09-26T08:52:25Z",
    "title_canon_sha256": "a3a73ba079a8a7e72371ce6bc8914aeb7dc912aa88b040b27853c67bd4dd7da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0809.4564",
    "kind": "arxiv",
    "version": 1
  }
}