Pith Number

pith:ONHAVL5K

pith:2011:ONHAVL5KMPSZLMI3U65YXFWYEJ

not attested not anchored not stored refs pending

Using Star Spots to Measure the Spin-orbit Alignment of Transiting Planets

Daniel C. Fabrycky, Jonathan J. Fortney, Philip A. Nutzman

arxiv:1107.2106 v1 · 2011-07-11 · 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{ONHAVL5KMPSZLMI3U65YXFWYEJ}

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	2026-05-18T02:01:20.192673Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

734e0aafaa63e595b11ba7bb8b96d82262e3da270b7617c1fdb042144add651f

Aliases

arxiv: 1107.2106 · arxiv_version: 1107.2106v1 · doi: 10.48550/arxiv.1107.2106 · pith_short_12: ONHAVL5KMPSZ · pith_short_16: ONHAVL5KMPSZLMI3 · pith_short_8: ONHAVL5K

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/ONHAVL5KMPSZLMI3U65YXFWYEJ \
  | 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: 734e0aafaa63e595b11ba7bb8b96d82262e3da270b7617c1fdb042144add651f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc60326b5f302ec907e31669835693631350f8362b4c970b587fb5bc0f082b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-07-11T19:59:09Z",
    "title_canon_sha256": "c5e14ce10c54b6f42a40aef900b012459580b9412704b406bd4c8d77aead782c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.2106",
    "kind": "arxiv",
    "version": 1
  }
}