Pith Number

pith:ZG7DSSLQ

pith:2003:ZG7DSSLQCGHJMO7D7Y7I4AJOBQ

not attested not anchored not stored refs pending

Resolved polarization changes across Halpha in the classical T Tauri star RY Tau

Janet E. Drew, Jorick S. Vink, Rene D. Oudmaijer, Tim J. Harries, Yvonne C. Unruh

arxiv:astro-ph/0306095 v1 · 2003-06-04 · 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{ZG7DSSLQCGHJMO7D7Y7I4AJOBQ}

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	2026-07-04T16:37:14.955308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9be394970118e963be3fe3e8e012e0c2167cc4e9dbade5a3c132fa7b1d75f9d

Aliases

arxiv: astro-ph/0306095 · arxiv_version: astro-ph/0306095v1 · doi: 10.48550/arxiv.astro-ph/0306095 · pith_short_12: ZG7DSSLQCGHJ · pith_short_16: ZG7DSSLQCGHJMO7D · pith_short_8: ZG7DSSLQ

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/ZG7DSSLQCGHJMO7D7Y7I4AJOBQ \
  | 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: c9be394970118e963be3fe3e8e012e0c2167cc4e9dbade5a3c132fa7b1d75f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5c5b1e5c7ee40992ee8f953c0c843d00d7186d8dda781f938ab8d4b198e26b3",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-04T17:59:29Z",
    "title_canon_sha256": "ecbfaadc45a9565a0a6b907942cc871fcc5ff52d7f9137016f4faf1cecb738d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306095",
    "kind": "arxiv",
    "version": 1
  }
}