Pith Number

pith:HFJFGV5W

pith:2015:HFJFGV5WWLWW4XRK3C35IVHFVY

not attested not anchored not stored refs pending

XO-2b: a hot Jupiter with a variable host star that potentially affects its measured transit depth

Caitlin A. Griffith, Gregory W. Henry, Jake D. Turner, Johanna K. Teske, Kyle A. Pearson, Lauren I. Biddle, Michael W. Williamson, M. Ryleigh Fitzpatrick, Robert T. Zellem

arxiv:1505.01063 v2 · 2015-05-05 · 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{HFJFGV5WWLWW4XRK3C35IVHFVY}

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	2026-05-18T01:33:00.736146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39525357b6b2ed6e5e2ad8b7d454e5ae046ac97951d77ebc09a187f6195dc4ac

Aliases

arxiv: 1505.01063 · arxiv_version: 1505.01063v2 · doi: 10.48550/arxiv.1505.01063 · pith_short_12: HFJFGV5WWLWW · pith_short_16: HFJFGV5WWLWW4XRK · pith_short_8: HFJFGV5W

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/HFJFGV5WWLWW4XRK3C35IVHFVY \
  | 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: 39525357b6b2ed6e5e2ad8b7d454e5ae046ac97951d77ebc09a187f6195dc4ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9eee7ea2fdf37980d0a9c82939b55bdf9a926480116332e8feb92e2e36c27bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-05T16:14:49Z",
    "title_canon_sha256": "3e35d0fa8c87f5b4a9ca387a6cb7ca567db031f87ce4b40f912c05ad1363336a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01063",
    "kind": "arxiv",
    "version": 2
  }
}