Pith Number

pith:W4GSSVPL

pith:2015:W4GSSVPLSLZZYNPUSOT7RQZGUI

not attested not anchored not stored refs pending

Kepler observations of A-F pre-main sequence stars in Upper Scorpius: Discovery of six new $\delta$~Scuti and one $\gamma$~Doradus stars

F. Palla, G. Catanzaro, L. Balona, M. Giarrusso, M. Marconi, V. Ripepi

arxiv:1509.06943 v1 · 2015-09-23 · 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{W4GSSVPLSLZZYNPUSOT7RQZGUI}

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	2026-05-18T01:29:44.470987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b70d2955eb92f39c35f493a7f8c326a23f59f5399449bc20e7b02db9e9809c41

Aliases

arxiv: 1509.06943 · arxiv_version: 1509.06943v1 · doi: 10.48550/arxiv.1509.06943 · pith_short_12: W4GSSVPLSLZZ · pith_short_16: W4GSSVPLSLZZYNPU · pith_short_8: W4GSSVPL

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/W4GSSVPLSLZZYNPUSOT7RQZGUI \
  | 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: b70d2955eb92f39c35f493a7f8c326a23f59f5399449bc20e7b02db9e9809c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40fd352e707898e6261a54f158f0f2bbf351e823fa6784a7987dc4dd0ac47fd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-09-23T12:37:47Z",
    "title_canon_sha256": "12fee8fdfd1036c57f5e05a476d288db0f7a5caa0f2f0172cc095b5ac536b913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.06943",
    "kind": "arxiv",
    "version": 1
  }
}