Pith Number

pith:FAPYGAE6

pith:2025:FAPYGAE6IPAHVMRFGI7X7GQECC

not attested not anchored not stored refs pending

The DESI Y1 RR Lyrae catalog I: Empirical modeling of the cyclic variation of spectroscopic properties and a chemodynamical analysis of the outer halo

A. Bystr\"om, A. de la Macorra, A. Dey, A. D. Myers, A. Font-Ribera, A. H. Riley, A. Meisner, A. P. Cooper, B. A. Weaver, C. Poppett, D. Bianchi, D. Brooks, D. Sprayberry, E. Gazta\~naga, E. Sanchez, F. Prada, G. Gutierrez, G. Rossi, G. Tarl\'e, Gustavo E. Medina, H. Seo, H. Zou, I. P\'erez-R\`afols, J. Aguilar, J. E. Forero-Romero, J. Guy, K. Honscheid, L. Beraldo e Silva, L. Le Guillou, M. Ishak, M. Landriau, M. Valluri, N. Kizhuprakkat, O. Y. Gnedin, P. Doel, R. G. Carlberg, R. H. Wechsler, R. Miquel, R. Zhou, S. Ahlen, Sergey E. Koposov, S. Gontcho A Gontcho, S. Nadathur, T. Claybaugh, Ting S. Li, T. Kisner, W. Wang

arxiv:2504.02924 v2 · 2025-04-03 · 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{FAPYGAE6IPAHVMRFGI7X7GQECC}

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	2026-06-05T01:14:26.152993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

281f83009e43c07ab225323f7f9a041096f85917c4a6370e5f28c40f00c8f952

Aliases

arxiv: 2504.02924 · arxiv_version: 2504.02924v2 · doi: 10.48550/arxiv.2504.02924 · pith_short_12: FAPYGAE6IPAH · pith_short_16: FAPYGAE6IPAHVMRF · pith_short_8: FAPYGAE6

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/FAPYGAE6IPAHVMRFGI7X7GQECC \
  | 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: 281f83009e43c07ab225323f7f9a041096f85917c4a6370e5f28c40f00c8f952

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb0d7ac48c8137956fb52a35d148985c3e57abdd26bb453d1735ccb798249a3e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-04-03T18:00:00Z",
    "title_canon_sha256": "83087831baf5af9d07f38ca0b95b3d25bbc1616a53c6b96539e2f543b15edf81"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.02924",
    "kind": "arxiv",
    "version": 2
  }
}