Pith Number

pith:K6SWVJI7

pith:2004:K6SWVJI7L5EDMYPSVERJFX62NI

not attested not anchored not stored refs pending

The Delta Scuti star FG Vir. V. The 2002 photometric multisite campaign

A. Rolland, E. Poretti, E. Rodriguez, F. Rodler, G. Handler, I. Olivares, J. P. Sareyan, M. Alvarez, M. Breger, M. L. Pretorius, P. J. Amado, P. Lopez de Coca, P. M. Kilmartin, R. Garrido, S. Martin-Ruiz, T. Tshenye, V. Costa, W. Zima

arxiv:astro-ph/0404161 v1 · 2004-04-07 · 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{K6SWVJI7L5EDMYPSVERJFX62NI}

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	2026-07-04T16:43:32.610230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a56aa51f5f483661f2a92292dfda6a0e53f089eef3be54cec1f1921747eb08

Aliases

arxiv: astro-ph/0404161 · arxiv_version: astro-ph/0404161v1 · doi: 10.48550/arxiv.astro-ph/0404161 · pith_short_12: K6SWVJI7L5ED · pith_short_16: K6SWVJI7L5EDMYPS · pith_short_8: K6SWVJI7

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/K6SWVJI7L5EDMYPSVERJFX62NI \
  | 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: 57a56aa51f5f483661f2a92292dfda6a0e53f089eef3be54cec1f1921747eb08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "48d3b6c5cfcc6df8a5e3e9667f2be339a89b47e7e4677edd6aa12e703e1e3d75",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-04-07T13:11:24Z",
    "title_canon_sha256": "268ab9665676a24e4433cf01e05b7d00614784864b0b8c547b2cbb340f90c76d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0404161",
    "kind": "arxiv",
    "version": 1
  }
}