Pith Number

pith:4EZ2F7UV

pith:2026:4EZ2F7UVO7MTUGAIE2WZQCYYAB

not attested not anchored not stored refs pending

On the rotation of M-type asteroids: statistical evidence for higher rotation rates

Fernando Abarzuza, Miguel R. Alarcon, Miquel Serra-Ricart, Noem\'i Pinilla-Alonso, Santiago Iglesias \'Alvarez

arxiv:2601.20648 v2 · 2026-01-28 · 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{4EZ2F7UVO7MTUGAIE2WZQCYYAB}

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	2026-05-27T01:05:43.186675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e133a2fe9577d93a180826ad980b180041145da02585f6943f9fcb974c75e8a0

Aliases

arxiv: 2601.20648 · arxiv_version: 2601.20648v2 · doi: 10.48550/arxiv.2601.20648 · pith_short_12: 4EZ2F7UVO7MT · pith_short_16: 4EZ2F7UVO7MTUGAI · pith_short_8: 4EZ2F7UV

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/4EZ2F7UVO7MTUGAIE2WZQCYYAB \
  | 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: e133a2fe9577d93a180826ad980b180041145da02585f6943f9fcb974c75e8a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9dd98166ad085c7ba0e0e25731217c02a630615b313908347c6cb5f4a564dc78",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2026-01-28T14:33:24Z",
    "title_canon_sha256": "b1f9aaeaca858ba38f20003af0b988dc7607a977200f621efd9db8f1c9f2a3d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.20648",
    "kind": "arxiv",
    "version": 2
  }
}