Pith Number

pith:LUSGHI6H

pith:2004:LUSGHI6HWNDKNLHFLZGGE4QAJ5

not attested not anchored not stored refs pending

Testing the Reality of Strong Magnetic Fields on T Tauri Stars: The Naked T Tauri Star Hubble 4

Christopher M. Johns-Krull, Jeff A. Valenti, Steven H. Saar

arxiv:astro-ph/0409268 v1 · 2004-09-10 · 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{LUSGHI6HWNDKNLHFLZGGE4QAJ5}

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	2026-07-04T16:44:40.660851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d2463a3c7b346a6ace55e4c6272004f69007a30fc03995942e75198caa68458

Aliases

arxiv: astro-ph/0409268 · arxiv_version: astro-ph/0409268v1 · doi: 10.48550/arxiv.astro-ph/0409268 · pith_short_12: LUSGHI6HWNDK · pith_short_16: LUSGHI6HWNDKNLHF · pith_short_8: LUSGHI6H

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/LUSGHI6HWNDKNLHFLZGGE4QAJ5 \
  | 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: 5d2463a3c7b346a6ace55e4c6272004f69007a30fc03995942e75198caa68458

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66d7621c90c43b463815cff37a599b8b3869c825e95961859cab334496273331",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-10T22:57:42Z",
    "title_canon_sha256": "e6ce3062cdaf55c7f2885ba72e3d0274a071e152f5675bf8a2cca8a5d8334bea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409268",
    "kind": "arxiv",
    "version": 1
  }
}