Pith Number

pith:WRBK6KFT

pith:2011:WRBK6KFT45DGWT4E6RWQVCCGWM

not attested not anchored not stored refs pending

A High Eccentricity Component in the Double Planet System Around HD 163607 and a Planet Around HD 164509

Andrew W. Howard, Debra A. Fischer, Fengji Hou, Geoffrey W. Marcy, Gregory W. Henry, Howard T. Isaacson, Jason T. Wright, John A. Johnson, Julien Spronck, Matthew J. Giguere

arxiv:1109.2955 v1 · 2011-09-14 · 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{WRBK6KFT45DGWT4E6RWQVCCGWM}

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	2026-05-18T02:00:33.254543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b442af28b3e7466b4f84f46d0a8846b315a81c48dc740eba35ce8359cea8a9c7

Aliases

arxiv: 1109.2955 · arxiv_version: 1109.2955v1 · doi: 10.48550/arxiv.1109.2955 · pith_short_12: WRBK6KFT45DG · pith_short_16: WRBK6KFT45DGWT4E · pith_short_8: WRBK6KFT

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/WRBK6KFT45DGWT4E6RWQVCCGWM \
  | 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: b442af28b3e7466b4f84f46d0a8846b315a81c48dc740eba35ce8359cea8a9c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58f9bef1813ee47a285295ea1286fe8158662880cfccaecf348837379504dd81",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-14T00:18:43Z",
    "title_canon_sha256": "245d2b87cd925863d7e2906dca140cb646c229d0bc2d15ee513a6c0b3a406a44"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2955",
    "kind": "arxiv",
    "version": 1
  }
}