Pith Number

pith:F2VPT4GK

pith:2013:F2VPT4GK7GSNGZEUDLTEFRW3N4

not attested not anchored not stored refs pending

Simultaneous follow-up of planetary transits: revised physical properties for the planetary systems HAT-P-16 and WASP-21

G. D'Ago, I. Bruni, J. Southworth, L. Mancini, N. Nikolov, S. Calchi Novati, S. Ciceri, Th. Henning, V. Bozza

arxiv:1307.5874 v1 · 2013-07-22 · 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{F2VPT4GK7GSNGZEUDLTEFRW3N4}

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	2026-05-18T01:48:41.437114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2eaaf9f0caf9a4d364941ae642c6db6f3716b658a52d6720d9b9be927aa41221

Aliases

arxiv: 1307.5874 · arxiv_version: 1307.5874v1 · doi: 10.48550/arxiv.1307.5874 · pith_short_12: F2VPT4GK7GSN · pith_short_16: F2VPT4GK7GSNGZEU · pith_short_8: F2VPT4GK

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/F2VPT4GK7GSNGZEUDLTEFRW3N4 \
  | 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: 2eaaf9f0caf9a4d364941ae642c6db6f3716b658a52d6720d9b9be927aa41221

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c14c39e2b039e949717cfc260b6068a89456cdfa59f5a36cdf8be905cdd22ba9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-07-22T20:32:45Z",
    "title_canon_sha256": "febca191d274f769fd8b22e4a453f74f25fbca3a3419167b4ba480ec4f27ec85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5874",
    "kind": "arxiv",
    "version": 1
  }
}