Pith Number

pith:RWEQID4T

pith:2022:RWEQID4T2DEEIB5SBGU4DUDKEF

not attested not anchored not stored refs pending

Synthetic population of binary Cepheids. I. The effect of metallicity and initial parameter distribution on characteristics of Cepheids' companions

Gergely Hajdu, Grzegorz Pietrzy\'nski, Grzegorz Wiktorowicz, Krzysztof Belczynski, Paulina Karczmarek, Rados{\l}aw Smolec, Weronika Narloch, Wolfgang Gieren

arxiv:2204.00661 v2 · 2022-04-01 · 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{RWEQID4T2DEEIB5SBGU4DUDKEF}

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	2026-07-05T05:55:08.048658Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d89040f93d0c84407b209a9c1d06a215ce6985e476ee0fb04946faa6d709933

Aliases

arxiv: 2204.00661 · arxiv_version: 2204.00661v2 · doi: 10.48550/arxiv.2204.00661 · pith_short_12: RWEQID4T2DEE · pith_short_16: RWEQID4T2DEEIB5S · pith_short_8: RWEQID4T

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/RWEQID4T2DEEIB5SBGU4DUDKEF \
  | 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: 8d89040f93d0c84407b209a9c1d06a215ce6985e476ee0fb04946faa6d709933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c73fd9e94463064d1359ea4770c60422bbbe6397201e36c1eb03571358365521",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-04-01T18:59:46Z",
    "title_canon_sha256": "0a9f06de509a791c124f803f114302f719a47f73543e8a493307482507c38d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.00661",
    "kind": "arxiv",
    "version": 2
  }
}