Pith Number

pith:HBGRZLH4

pith:2005:HBGRZLH4JLINNYEW25J2YVUP4R

not attested not anchored not stored refs pending

Discovery of fourteen new ZZ Cetis with SOAR

A. Nitta, B. G. Castanheira, D. E. Winget & D. J. Eisenstein, F. Mullally, M. F. O. Saraiva, S. J. Kleinman, S. O. Kepler

arxiv:astro-ph/0507490 v1 · 2005-07-20 · 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{HBGRZLH4JLINNYEW25J2YVUP4R}

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	2026-07-04T16:52:45.143705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384d1cacfc4ad0d6e096d753ac568fe472e504cc422e8946ac2764bfda8b7f08

Aliases

arxiv: astro-ph/0507490 · arxiv_version: astro-ph/0507490v1 · doi: 10.48550/arxiv.astro-ph/0507490 · pith_short_12: HBGRZLH4JLIN · pith_short_16: HBGRZLH4JLINNYEW · pith_short_8: HBGRZLH4

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/HBGRZLH4JLINNYEW25J2YVUP4R \
  | 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: 384d1cacfc4ad0d6e096d753ac568fe472e504cc422e8946ac2764bfda8b7f08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b14fd492ad7cd97e25d0c9c2a72bd6faf641cdf994fb47d59798cff303df6005",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-07-20T20:20:15Z",
    "title_canon_sha256": "e049ca0f179728dd6a1a7a11bfb0c7dfcfe9e495d3c33b447fdf0ea44777fb7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0507490",
    "kind": "arxiv",
    "version": 1
  }
}