Pith Number

pith:PXWTXXCG

pith:2005:PXWTXXCGPIVLAFHL335UVRPI6E

not attested not anchored not stored refs pending

T Tauri stellar magnetic fields: He I measurements

Neil H. Symington, Ryuichi Kurosawa, Tim J. Harries, Tim Naylor

arxiv:astro-ph/0501445 v3 · 2005-01-20 · 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{PXWTXXCGPIVLAFHL335UVRPI6E}

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	2026-07-04T14:14:03.082916Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ded3bdc467a2ab014ebdefb4ac5e8f12f8614dadd52b92cdb23bf8e42bf9cd1

Aliases

arxiv: astro-ph/0501445 · arxiv_version: astro-ph/0501445v3 · doi: 10.48550/arxiv.astro-ph/0501445 · pith_short_12: PXWTXXCGPIVL · pith_short_16: PXWTXXCGPIVLAFHL · pith_short_8: PXWTXXCG

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/PXWTXXCGPIVLAFHL335UVRPI6E \
  | 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: 7ded3bdc467a2ab014ebdefb4ac5e8f12f8614dadd52b92cdb23bf8e42bf9cd1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6eba1f7f801d234d72a099a34d2c34f7f271d62ce8d6537891b3ca5e4e2b09a3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2005-01-20T21:13:40Z",
    "title_canon_sha256": "1f9ca5c6f754dcbbc984dddb5fbc10779a7fcb508acec47cab626bac08ca0e31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0501445",
    "kind": "arxiv",
    "version": 3
  }
}