Pith Number

pith:3GGZN7G6

pith:2022:3GGZN7G6YTBAQBI75YZSXEK2J5

not attested not anchored not stored refs pending

Open clusters housing classical Cepheids in Gaia DR3

C. J. Hao, D. J. Liu, S. B. Bian, Y. J. Li, Y. Xu, Z. H. Lin, Z. Y. Wu

arxiv:2210.01521 v1 · 2022-10-04 · 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{3GGZN7G6YTBAQBI75YZSXEK2J5}

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	2026-07-05T05:20:51.136105Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d98d96fcdec4c208051fee332b915a4f59786b4ca0c9fbc414fc0ad708a91fa7

Aliases

arxiv: 2210.01521 · arxiv_version: 2210.01521v1 · doi: 10.48550/arxiv.2210.01521 · pith_short_12: 3GGZN7G6YTBA · pith_short_16: 3GGZN7G6YTBAQBI7 · pith_short_8: 3GGZN7G6

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/3GGZN7G6YTBAQBI75YZSXEK2J5 \
  | 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: d98d96fcdec4c208051fee332b915a4f59786b4ca0c9fbc414fc0ad708a91fa7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa102cd78e355ab8e2afc6281bf0d8011642fa961d648306ed62fb39cb6f1b6e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2022-10-04T10:58:57Z",
    "title_canon_sha256": "0c282dbe055739d51af6fb2b79317ac0fe0afa014321a81c183840b5908e26f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.01521",
    "kind": "arxiv",
    "version": 1
  }
}