Pith Number

pith:K2PHD554

pith:2008:K2PHD554D65MS442R6GNWY6PIT

not attested not anchored not stored refs pending

Characterization of the HD 17156 planetary system

A.F. Martinez Fiorenzano, A. Sozzetti, B. Loeillet, D. Charbonneau, G. Laughlin, J. M. Almenara, M. Barbieri, M. Cecconi, M. Endl, R. Alonso, R. Gratton, R.U. Claudi, S. Desidera, V. Granata

arxiv:0812.0785 v1 · 2008-12-03 · astro-ph

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

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	2026-05-18T02:15:12.033765Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569e71f7bc1fbac9739a8f8cdb63cf44c9f9ca8fe19e59dae496d6f9030cd23f

Aliases

arxiv: 0812.0785 · arxiv_version: 0812.0785v1 · doi: 10.48550/arxiv.0812.0785 · pith_short_12: K2PHD554D65M · pith_short_16: K2PHD554D65MS442 · pith_short_8: K2PHD554

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/K2PHD554D65MS442R6GNWY6PIT \
  | 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: 569e71f7bc1fbac9739a8f8cdb63cf44c9f9ca8fe19e59dae496d6f9030cd23f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91d7d3ca89221d496344eccbae359e3c088ea7d7223e1a4bb2814cdc12c0d90c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-03T19:36:42Z",
    "title_canon_sha256": "45bf98781293fd7db8328859e89386560e33f631018f91dbead4cce78db3f186"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.0785",
    "kind": "arxiv",
    "version": 1
  }
}