Pith Number

pith:2NGSPC7Y

pith:2018:2NGSPC7YT6FL6TX2FKQOODXI45

not attested not anchored not stored refs pending

Stellar and Planetary Characterization of the Ross 128 Exoplanetary System from APOGEE Spectra

Barbara Rojas-Ayala, Cayman T. Unterborn, Cullen Blake, D. A. Garcia-Hernandez, Diogo Souto, Felipe Santana, Henrik Jonsson, J. A. Johnson, Johanna Teske, Katia Cunha, Keivan Stassun, Kevin Covey, Olga Zamora, Steven Gilhool, Steven R. Majewski, Thomas Masseron, Verne V. Smith

arxiv:1805.11633 v2 · 2018-05-29 · astro-ph.SR · 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{2NGSPC7YT6FL6TX2FKQOODXI45}

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	2026-05-18T00:13:15.239100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d34d278bf89f8abf4efa2aa0e70ee8e747c63fb730308288ba2e60692ab1392e

Aliases

arxiv: 1805.11633 · arxiv_version: 1805.11633v2 · doi: 10.48550/arxiv.1805.11633 · pith_short_12: 2NGSPC7YT6FL · pith_short_16: 2NGSPC7YT6FL6TX2 · pith_short_8: 2NGSPC7Y

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/2NGSPC7YT6FL6TX2FKQOODXI45 \
  | 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: d34d278bf89f8abf4efa2aa0e70ee8e747c63fb730308288ba2e60692ab1392e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "af9bea76d069ee0a32afc68601e93e00adfbaade731292e23462c9624e7a3170",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-05-29T18:08:42Z",
    "title_canon_sha256": "cbb67db1d6040f5f830938d29e2df95877a992b73f08dc0098f41d1fbdc7297a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.11633",
    "kind": "arxiv",
    "version": 2
  }
}