Pith Number

pith:52AP42MV

pith:2003:52AP42MVJ6J552OV556HTGMH4V

not attested not anchored not stored refs pending

Probing the circumstellar structure of pre-main sequence stars

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

arxiv:astro-ph/0306094 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{52AP42MVJ6J552OV556HTGMH4V}

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	2026-05-18T01:00:27.504256Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee80fe69954f93dee9d5ef7c799987e552517d444af96f08074529100ffe9275

Aliases

arxiv: astro-ph/0306094 · arxiv_version: astro-ph/0306094v1 · doi: 10.48550/arxiv.astro-ph/0306094 · pith_short_12: 52AP42MVJ6J5 · pith_short_16: 52AP42MVJ6J552OV · pith_short_8: 52AP42MV

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/52AP42MVJ6J552OV556HTGMH4V \
  | 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: ee80fe69954f93dee9d5ef7c799987e552517d444af96f08074529100ffe9275

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1cc076bf5a354f2283f46cc208c13b59094526f5f843cc246d0d9aa802f0a39",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-06-04T18:04:35Z",
    "title_canon_sha256": "23a97f61f3612d6a5fca01f67d3df29cc6e57eb03d98b705d15315de355aeb69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0306094",
    "kind": "arxiv",
    "version": 1
  }
}