Pith Number

pith:QRB33Z4A

pith:2018:QRB33Z4AMTIBQCQAHY2IXJFYTH

not attested not anchored not stored refs pending

Asteroseismic radii of dwarfs: New accuracy constraints from Gaia DR2 parallaxes

Christian L. Sahlholdt, Victor Silva Aguirre

arxiv:1809.05112 v1 · 2018-09-13 · 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{QRB33Z4AMTIBQCQAHY2IXJFYTH}

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	2026-05-18T00:04:54.579705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8443bde78064d0180a003e348ba4b899dcef253c4d114775380cea10f7589b35

Aliases

arxiv: 1809.05112 · arxiv_version: 1809.05112v1 · doi: 10.48550/arxiv.1809.05112 · pith_short_12: QRB33Z4AMTIB · pith_short_16: QRB33Z4AMTIBQCQA · pith_short_8: QRB33Z4A

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/QRB33Z4AMTIBQCQAHY2IXJFYTH \
  | 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: 8443bde78064d0180a003e348ba4b899dcef253c4d114775380cea10f7589b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8083af3e43226ba75df445bd667316ebd0916648590992476f61a7cec5330165",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-13T18:01:17Z",
    "title_canon_sha256": "dcf8d985a9523854a75b2f04b5be0b522f46b9255b923c39f70986aef12595ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.05112",
    "kind": "arxiv",
    "version": 1
  }
}