Pith Number

pith:VHAE73UR

pith:2018:VHAE73URLT7MXZ54RYNPP465HT

not attested not anchored not stored refs pending

The Star-Planet Activity Research CubeSat (SPARCS): A Mission to Understand the Impact of Stars in Exoplanets

April Jewell, Constance Spittler, Daniel Jacobs, David R. Ardila, Evgenya Shkolnik, Joe Llama, Judd Bowman, Mark Swain, Matthew Beasley, Michael Fitzgerald, Paul Scowen, Robert Zellem, Sarah Peackock, Shouleh Nikzad, Travis Barman, Varoujan Gorgian, Victoria Meadows

arxiv:1808.09954 v1 · 2018-08-29 · astro-ph.IM · astro-ph.EP · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHAE73URLT7MXZ54RYNPP465HT}

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	2026-05-18T00:06:50.317483Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9c04fee915cfecbe7bc8e1af7f3dd3ce781de580b236e7ae85844cf05d954eb

Aliases

arxiv: 1808.09954 · arxiv_version: 1808.09954v1 · doi: 10.48550/arxiv.1808.09954 · pith_short_12: VHAE73URLT7M · pith_short_16: VHAE73URLT7MXZ54 · pith_short_8: VHAE73UR

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/VHAE73URLT7MXZ54RYNPP465HT \
  | 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: a9c04fee915cfecbe7bc8e1af7f3dd3ce781de580b236e7ae85844cf05d954eb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7c1ccc554aa1921c0637cc60f1b7b16223f8acafd88ae4e73689e468b1d5396",
    "cross_cats_sorted": [
      "astro-ph.EP",
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-08-29T02:28:42Z",
    "title_canon_sha256": "e530de760227aaa1ea42684bd8e6c4d996700b8d47105514c389088ca7665e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.09954",
    "kind": "arxiv",
    "version": 1
  }
}