Pith Number

pith:L2WYWI2P

pith:2009:L2WYWI2PCOOWOMI5EOX43WFEWA

not attested not anchored not stored refs pending

First Spectroscopic Identification of Massive Young Stellar Objects in the Galactic Center

A. C. Adwin Boogert, Angela S. Cotera, Deokkeun An, Howard A. Smith, Kris Sellgren, Mathias Schultheis, Richard G. Arendt, Solange V. Ram\'irez, Susan R. Stolovy, Thomas P. Robitaille

arxiv:0907.4752 v1 · 2009-07-27 · astro-ph.GA · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L2WYWI2PCOOWOMI5EOX43WFEWA}

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	2026-05-18T02:12:47.391019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ead8b234f139d67311d23afcdd8a4b027e5ef47085c1f2a44c33927d3eea687

Aliases

arxiv: 0907.4752 · arxiv_version: 0907.4752v1 · doi: 10.48550/arxiv.0907.4752 · pith_short_12: L2WYWI2PCOOW · pith_short_16: L2WYWI2PCOOWOMI5 · pith_short_8: L2WYWI2P

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/L2WYWI2PCOOWOMI5EOX43WFEWA \
  | 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: 5ead8b234f139d67311d23afcdd8a4b027e5ef47085c1f2a44c33927d3eea687

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6271516e60482816196dce2020575deb632c70d800fbd4129ce9ad0144d3f116",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-07-27T20:00:10Z",
    "title_canon_sha256": "9b31e3abc9f2db9069a15d83b512add0a35cca9a353428eeb53cce3eb8f89e5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.4752",
    "kind": "arxiv",
    "version": 1
  }
}