Pith Number

pith:LKENFM5L

pith:2009:LKENFM5LXWB5T5ZQSLQF3OS4FZ

not attested not anchored not stored refs pending

Planetary Nebulae in Face-On Spiral Galaxies. III. Planetary Nebula Kinematics and Disk Mass

Kimberly A. Herrmann, Robin Ciardullo (Penn State University)

arxiv:0910.0266 v1 · 2009-10-01 · 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{LKENFM5LXWB5T5ZQSLQF3OS4FZ}

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	2026-05-18T02:34:20.445110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a88d2b3abbd83d9f73092e05dba5c2e61e3ea6b84b13eb99b7a2b8554126393

Aliases

arxiv: 0910.0266 · arxiv_version: 0910.0266v1 · doi: 10.48550/arxiv.0910.0266 · pith_short_12: LKENFM5LXWB5 · pith_short_16: LKENFM5LXWB5T5ZQ · pith_short_8: LKENFM5L

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/LKENFM5LXWB5T5ZQSLQF3OS4FZ \
  | 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: 5a88d2b3abbd83d9f73092e05dba5c2e61e3ea6b84b13eb99b7a2b8554126393

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94f28f526ba8dd82b6c8335900f8977d98c81fa7202e77e42fc6c626a30e220f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-10-01T21:12:56Z",
    "title_canon_sha256": "a1549a917cd2ce21142910120eab7355a19699120b8cc314d24e8814063a5b31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0266",
    "kind": "arxiv",
    "version": 1
  }
}