Pith Number

pith:MTPZ6ZJK

pith:2009:MTPZ6ZJKJIPU2M47INY5TR3Y5K

not attested not anchored not stored refs pending

HD172189: another step in furnishing one of the best laboratories known for asteroseismic studies

A. Arellano Ferro, A. Moya, A. Rolland, C. Rodr\'iguez-L\'opez, D. Fabbian, E. Broeders, E. Niemczura, E. Poretti, E. Rodr\'iguez, F. Aceituno, F. Rodler, G. Cutispoto, G. Raskin, H. VanWinckel, J. C. Su\'arez, K. Uytterhoeven, L. Decin, L. Le Guillou, M. Rainer, O. L. Creevey, P. Hadrava, P. J. Amado, P. Mathias, P. Pall\'e, R. Garrido, R. Molina, S. Mart\'in-Ruiz, V. Casanova

arxiv:0909.3435 v1 · 2009-09-18 · 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{MTPZ6ZJKJIPU2M47INY5TR3Y5K}

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	2026-05-18T02:11:46.455194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64df9f652a4a1f4d339f4371d9c778eaa6f592281a1c5ae6ddddf8c9964ad981

Aliases

arxiv: 0909.3435 · arxiv_version: 0909.3435v1 · doi: 10.48550/arxiv.0909.3435 · pith_short_12: MTPZ6ZJKJIPU · pith_short_16: MTPZ6ZJKJIPU2M47 · pith_short_8: MTPZ6ZJK

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/MTPZ6ZJKJIPU2M47INY5TR3Y5K \
  | 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: 64df9f652a4a1f4d339f4371d9c778eaa6f592281a1c5ae6ddddf8c9964ad981

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9ea7325d236349ca79fa779aa3e4dd540395de41e33e1752b63bc35c4943f3b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-09-18T13:34:44Z",
    "title_canon_sha256": "61586978e9928543ffdc0ddb72f6c1c0fdf1f26e6a0882a5dd916d2b44dd2bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3435",
    "kind": "arxiv",
    "version": 1
  }
}