Pith Number

pith:MDVPOPH2

pith:2003:MDVPOPH2ID447UALAU6B2RMQXZ

not attested not anchored not stored refs pending

Disks and Halos in Pre-Main-Sequence Stars

Anatoly S. Miroshnichenko, Dejan Vinkovic, Moshe Elitzur, Zeljko Ivezic

arxiv:astro-ph/0309037 v1 · 2003-09-01 · 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{MDVPOPH2ID447UALAU6B2RMQXZ}

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	2026-07-04T16:51:33.455455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

60eaf73cfa40f9cfd00b053c1d4590be52bc1b97cd75fdf909b0e7712887ed25

Aliases

arxiv: astro-ph/0309037 · arxiv_version: astro-ph/0309037v1 · doi: 10.48550/arxiv.astro-ph/0309037 · pith_short_12: MDVPOPH2ID44 · pith_short_16: MDVPOPH2ID447UAL · pith_short_8: MDVPOPH2

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/MDVPOPH2ID447UALAU6B2RMQXZ \
  | 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: 60eaf73cfa40f9cfd00b053c1d4590be52bc1b97cd75fdf909b0e7712887ed25

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f6126178696e24c757bcc06417024e1017d83c5d3836a922e393375a98b90155",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-09-01T21:50:46Z",
    "title_canon_sha256": "35dd29b9689130068acc4a1a0833c61d724b56855648b19e90408694f348dcb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0309037",
    "kind": "arxiv",
    "version": 1
  }
}