Pith Number

pith:Z552AFI2

pith:2019:Z552AFI2FOP3TEK5EWJD6WGGFF

not attested not anchored not stored refs pending

The Discovery of the Long-Period, Eccentric Planet Kepler-88 d and System Characterization with Radial Velocities and Photodynamical Analysis

Andrew W. Howard, Benjamin J. Fulton, Daniel C. Fabrycky, Eric Agol, Erik A. Petigura, Evan Sinukoff, Howard Isaacson, Lauren M. Weiss, Lea Hirsch, Sean M. Mills

arxiv:1909.02427 v3 · 2019-09-05 · 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{Z552AFI2FOP3TEK5EWJD6WGGFF}

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	2026-07-05T00:59:22.511916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf7ba0151a2b9fb9915d25923f58c629632545740006cda59b21e59a89e2288c

Aliases

arxiv: 1909.02427 · arxiv_version: 1909.02427v3 · doi: 10.48550/arxiv.1909.02427 · pith_short_12: Z552AFI2FOP3 · pith_short_16: Z552AFI2FOP3TEK5 · pith_short_8: Z552AFI2

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/Z552AFI2FOP3TEK5EWJD6WGGFF \
  | 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: cf7ba0151a2b9fb9915d25923f58c629632545740006cda59b21e59a89e2288c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e07f9703ff64354f58ab0ebb75a398d0cb0f31e3b0221b5b729ac6d33d255bf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-09-05T14:07:32Z",
    "title_canon_sha256": "9ec3b4ac1ebf4434625ca48e2337b69648c06398d09e07ea3f49d2f4bfc97939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.02427",
    "kind": "arxiv",
    "version": 3
  }
}