Pith Number

pith:GFG7LLQP

pith:2015:GFG7LLQPMWRBSWBLZR2WMCSKJD

not attested not anchored not stored refs pending

On a new theoretical framework for RR Lyrae stars I: the metallicity dependence

A. Pietrinferni, G. Bono, G. Coppola, I. Musella, M. Castellani, M. Marconi, R. Buonanno, R. F. Stellingwerf, V. Braga, V. Ripepi

arxiv:1505.02531 v2 · 2015-05-11 · 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{GFG7LLQPMWRBSWBLZR2WMCSKJD}

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	2026-05-18T01:35:47.924135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314df5ae0f65a219582bcc75660a4a48c08e65940629d3492e0f61c79c7a1b7a

Aliases

arxiv: 1505.02531 · arxiv_version: 1505.02531v2 · doi: 10.48550/arxiv.1505.02531 · pith_short_12: GFG7LLQPMWRB · pith_short_16: GFG7LLQPMWRBSWBL · pith_short_8: GFG7LLQP

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/GFG7LLQPMWRBSWBLZR2WMCSKJD \
  | 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: 314df5ae0f65a219582bcc75660a4a48c08e65940629d3492e0f61c79c7a1b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59b03c55636d19609c936f60652a460c536282a0f52306791ac8023358b412c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-11T09:02:51Z",
    "title_canon_sha256": "cab0649e749a3d66bfefebd4b9e8d93791f926d3dd72fac55b9e69a0b60b2be2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02531",
    "kind": "arxiv",
    "version": 2
  }
}