Pith Number

pith:ZXCGGYAU

pith:2022:ZXCGGYAU26Z3C4D2GBTKU4YZ2D

not attested not anchored not stored refs pending

The population of hot subdwarf stars studied with Gaia -- IV. Catalogues of hot subluminous stars based on Gaia EDR3

Alina Vorontseva, Ingrid Pelisoli, Nicola Gentile Fusillo, Nicole Reindl, Richard Culpan, Stephan Geier

arxiv:2203.07938 v1 · 2022-03-15 · astro-ph.SR · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZXCGGYAU26Z3C4D2GBTKU4YZ2D}

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	2026-07-05T04:31:35.740373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdc4636014d7b3b1707a3066aa7319d0e6dd49bb422a91c840e3a5b7942abcbf

Aliases

arxiv: 2203.07938 · arxiv_version: 2203.07938v1 · doi: 10.48550/arxiv.2203.07938 · pith_short_12: ZXCGGYAU26Z3 · pith_short_16: ZXCGGYAU26Z3C4D2 · pith_short_8: ZXCGGYAU

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/ZXCGGYAU26Z3C4D2GBTKU4YZ2D \
  | 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: cdc4636014d7b3b1707a3066aa7319d0e6dd49bb422a91c840e3a5b7942abcbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "323214c2e9d7c9cddd7799d32af9a0a277c3f5220aa02ae03ca974c765a12ada",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-03-15T14:21:16Z",
    "title_canon_sha256": "3b5142af5ccd5c271604ac6a12c0e810f71d0c4e6e640c33e9d816d975f4ea05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.07938",
    "kind": "arxiv",
    "version": 1
  }
}