Pith Number

pith:BGGZP45T

pith:2009:BGGZP45TSJ5CCEYBNHPEXSLZDV

not attested not anchored not stored refs pending

A contracting circumbinary molecular ring with an inner cavity of about 140 AU around Ori 139-409

Luis A. Zapata (MPIfR), Paul Ho (ASIAA & CfA), Peter Schilke (Koln Uni. & MPIfR)

arxiv:0911.3059 v1 · 2009-11-16 · 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{BGGZP45TSJ5CCEYBNHPEXSLZDV}

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	2026-05-18T02:10:47.199747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

098d97f3b3927a21130169de4bc9791d7e111853c26ec19910d3c113c1a0fed4

Aliases

arxiv: 0911.3059 · arxiv_version: 0911.3059v1 · doi: 10.48550/arxiv.0911.3059 · pith_short_12: BGGZP45TSJ5C · pith_short_16: BGGZP45TSJ5CCEYB · pith_short_8: BGGZP45T

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/BGGZP45TSJ5CCEYBNHPEXSLZDV \
  | 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: 098d97f3b3927a21130169de4bc9791d7e111853c26ec19910d3c113c1a0fed4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68a9fbb1e5af7ac0a21555b68cdb881a79b3309f07434382da982c403c037966",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-11-16T16:10:07Z",
    "title_canon_sha256": "0d38505c47c7de6fa7093d8ba233fd137eb8770cda80501534857c888227f427"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3059",
    "kind": "arxiv",
    "version": 1
  }
}