Pith Number

pith:L4WGHS4V

pith:2018:L4WGHS4VQNM42A2JDLGSKCP63O

not attested not anchored not stored refs pending

A Gaia DR2 view of white dwarfs in the Hyades

(2) INAF-OAPD), L. R. Bedin (2). ((1) J.M.Univ.Liverpool, M. Salaris (1)

arxiv:1809.09198 v1 · 2018-09-24 · 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{L4WGHS4VQNM42A2JDLGSKCP63O}

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	2026-05-18T00:04:54.043672Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2c63cb958359cd03491acd2509fedb91fd5fb5252f98fa78861c795c6cc95f

Aliases

arxiv: 1809.09198 · arxiv_version: 1809.09198v1 · doi: 10.48550/arxiv.1809.09198 · pith_short_12: L4WGHS4VQNM4 · pith_short_16: L4WGHS4VQNM42A2J · pith_short_8: L4WGHS4V

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/L4WGHS4VQNM42A2JDLGSKCP63O \
  | 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: 5f2c63cb958359cd03491acd2509fedb91fd5fb5252f98fa78861c795c6cc95f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b732131383fc76bd4b59f6d9c10bed323fde4ad35e6a8255b6430522565d5b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-24T20:04:14Z",
    "title_canon_sha256": "9cd3072eb93b1a8c47be052fc500d9eeda70553fee7cd4a968fb1877a6f10302"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09198",
    "kind": "arxiv",
    "version": 1
  }
}