Pith Number

pith:3AEFDSTX

pith:2009:3AEFDSTXXBEDZVWLFSVVVORSGZ

not attested not anchored not stored refs pending

A ring/disk/outflow system associated with W51 North: a very massive star in the making

Aina Palau (LAEX), Karl Menten (MPIfR), Luis A. Zapata (MPIfR), Luis F. Rodr\'iguez (CRyA), Paul T. P. Ho (ASIAA & CfA), Peter Schilke (MPIfR), Robin Garrod (Cornell University)

arxiv:0904.0325 v1 · 2009-04-02 · astro-ph.SR · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3AEFDSTXXBEDZVWLFSVVVORSGZ}

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	2026-05-18T04:29:15.408692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d80851ca77b8483cd6cb2cab5aba323676d9740de69c4391b2ed9efe487c800b

Aliases

arxiv: 0904.0325 · arxiv_version: 0904.0325v1 · doi: 10.48550/arxiv.0904.0325 · pith_short_12: 3AEFDSTXXBED · pith_short_16: 3AEFDSTXXBEDZVWL · pith_short_8: 3AEFDSTX

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/3AEFDSTXXBEDZVWLFSVVVORSGZ \
  | 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: d80851ca77b8483cd6cb2cab5aba323676d9740de69c4391b2ed9efe487c800b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7967129b735f178e6dd2d5542205980d262675a90ab40b83df8b1361817ad92",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-02T07:35:37Z",
    "title_canon_sha256": "44d1db505b3854bd66c14594b352788f9da0c502dbb8cb561b529ead0bc5e58d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0325",
    "kind": "arxiv",
    "version": 1
  }
}