Pith Number

pith:NW63EYDZ

pith:2011:NW63EYDZVYLLIEV52V4K2DDDZZ

not attested not anchored not stored refs pending

M2K: II. A Triple-Planet System Orbiting HIP 57274

Andrew Howard, Andrew Mann, Andrew Szymkowiak, Christian Schwab, Debra A. Fischer, Eric Gaidos, Geoffrey W. Marcy, Howard Isaacson, Jason T. Wright, John A. Johnson, John Brewer, John Moriarty, Julien Spronck, Kelsey I. Clubb, Kevin Apps, Matthew Giguere, Sebastien Lepine

arxiv:1109.2926 v1 · 2011-09-13 · 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{NW63EYDZVYLLIEV52V4K2DDDZZ}

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	2026-05-18T02:00:33.316661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dbdb26079ae16b412bdd578ad0c63ce6769ddbe700b393bea88b6c537fe5dc5

Aliases

arxiv: 1109.2926 · arxiv_version: 1109.2926v1 · doi: 10.48550/arxiv.1109.2926 · pith_short_12: NW63EYDZVYLL · pith_short_16: NW63EYDZVYLLIEV5 · pith_short_8: NW63EYDZ

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/NW63EYDZVYLLIEV52V4K2DDDZZ \
  | 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: 6dbdb26079ae16b412bdd578ad0c63ce6769ddbe700b393bea88b6c537fe5dc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1673d368c6f7a339a1d52ebcd07edd65c5672930fd3675c636088f218bc51b8b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-09-13T21:02:17Z",
    "title_canon_sha256": "75027452d0e4da34afe35eeed39f9f3e88c6f734a121b19d89dcc823d803a2f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2926",
    "kind": "arxiv",
    "version": 1
  }
}