Pith Number

pith:EAVPDTXI

pith:2000:EAVPDTXI7PUGMLTJ7CFUN6256Z

not attested not anchored not stored refs pending

CU Comae: a new field double-mode RR Lyrae, the most metal poor discovered to date

A. Bragaglia, A. Kinard, C. Sneden, E. Carretta, G. Clementini, H.A. Smith, I.I. Ivans, L. Di Fabrizio, M. Marconi, M. Tosi, R.G. Gratton, R. Merighi, R. Wilhelm, S. Di Tomaso, T. Woodruff

arxiv:astro-ph/0006174 v1 · 2000-06-13 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EAVPDTXI7PUGMLTJ7CFUN6256Z}

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	2026-07-04T16:16:47.711452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

202af1cee8fbe8662e69f88b46fb5df65411b171f2b035c43671f80104af73cb

Aliases

arxiv: astro-ph/0006174 · arxiv_version: astro-ph/0006174v1 · doi: 10.48550/arxiv.astro-ph/0006174 · pith_short_12: EAVPDTXI7PUG · pith_short_16: EAVPDTXI7PUGMLTJ · pith_short_8: EAVPDTXI

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/EAVPDTXI7PUGMLTJ7CFUN6256Z \
  | 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: 202af1cee8fbe8662e69f88b46fb5df65411b171f2b035c43671f80104af73cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14c672e5c62adb8998591b5a36b55e966428e05439ab5e5b1589b22c8a0f9799",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2000-06-13T11:49:49Z",
    "title_canon_sha256": "65ab6bf90b4ed752c61f52557047ac5339e960f79aee25d5c18c89c48ef2d4e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0006174",
    "kind": "arxiv",
    "version": 1
  }
}