Pith Number

pith:PPGAZLAC

pith:2025:PPGAZLACHMX2B52ULPK5346Z5Z

not attested not anchored not stored refs pending

Variable stars in Galactic globular clusters II. Population II Cepheids

Mauricio Cruz Reyes, Richard I. Anderson, Susmita Das

arxiv:2502.18158 v1 · 2025-02-25 · 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{PPGAZLACHMX2B52ULPK5346Z5Z}

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.

Cited by

1 paper in Pith

The VMC Survey -- LIV. Anomalous Cepheids in the Magellanic Clouds Period-Luminosity relations in the near-infrared bands

Receipt and verification

First computed	2026-07-05T10:19:49.832849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bcc0cac023b2fa0f7545bd5ddf3d9ee41e33c90f8db40846654d6ebe1534e65

Aliases

arxiv: 2502.18158 · arxiv_version: 2502.18158v1 · doi: 10.48550/arxiv.2502.18158 · pith_short_12: PPGAZLACHMX2 · pith_short_16: PPGAZLACHMX2B52U · pith_short_8: PPGAZLAC

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/PPGAZLACHMX2B52ULPK5346Z5Z \
  | 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: 7bcc0cac023b2fa0f7545bd5ddf3d9ee41e33c90f8db40846654d6ebe1534e65

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d3fead261f6457ae8f830e61360702a5c867dde81aca13e8082bf354921863d9",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-02-25T12:43:03Z",
    "title_canon_sha256": "7d28506bea6344f040a55f592b93927c3caaa990939c353d5bb2e5d683988843"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.18158",
    "kind": "arxiv",
    "version": 1
  }
}