Pith Number

pith:NGDPG3PT

pith:2009:NGDPG3PTDSOCAKRJPJ2X3GOKSJ

not attested not anchored not stored refs pending

Sculpting an AGB Mass-Loss Envelope into a Bipolar Planetary Nebula: High-Velocity Outflows in V Hydrae

Ben E.K. Sugerman, Kenneth Hinkle, Raghvendra Sahai

arxiv:0905.0460 v1 · 2009-05-04 · 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{NGDPG3PTDSOCAKRJPJ2X3GOKSJ}

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	2026-05-18T04:29:43.190384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6986f36df31c9c202a297a757d99ca9269c47f78402ef33fb292944716b3e74d

Aliases

arxiv: 0905.0460 · arxiv_version: 0905.0460v1 · doi: 10.48550/arxiv.0905.0460 · pith_short_12: NGDPG3PTDSOC · pith_short_16: NGDPG3PTDSOCAKRJ · pith_short_8: NGDPG3PT

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/NGDPG3PTDSOCAKRJPJ2X3GOKSJ \
  | 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: 6986f36df31c9c202a297a757d99ca9269c47f78402ef33fb292944716b3e74d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "617fa400e010689eaa023aa8fa13c1eff2cf025b5a2a4b2d27ea6c33b449a834",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-05-04T19:15:19Z",
    "title_canon_sha256": "a298fa2e4506983f8c3359f7023a5acf089d9c984e48f90354b525b12518e1e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0460",
    "kind": "arxiv",
    "version": 1
  }
}