Pith Number

pith:LFBPEGAO

pith:2010:LFBPEGAO6QYNWOEQEBNBOXQBA4

not attested not anchored not stored refs pending

Polar Disk Galaxies as new way to study galaxy formation: the case of NGC4650A

E. Iodice

arxiv:1001.3083 v1 · 2010-01-18 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LFBPEGAO6QYNWOEQEBNBOXQBA4}

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	2026-05-18T02:09:42.914268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5942f2180ef430db3890205a175e01071d2384f8af9f650c5ea126ede2aa3ea0

Aliases

arxiv: 1001.3083 · arxiv_version: 1001.3083v1 · doi: 10.48550/arxiv.1001.3083 · pith_short_12: LFBPEGAO6QYN · pith_short_16: LFBPEGAO6QYNWOEQ · pith_short_8: LFBPEGAO

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/LFBPEGAO6QYNWOEQEBNBOXQBA4 \
  | 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: 5942f2180ef430db3890205a175e01071d2384f8af9f650c5ea126ede2aa3ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f4814604d9072c0d5b8ba9de58e9708d1741f01aff53646f5cd5a253582c52e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-01-18T14:55:16Z",
    "title_canon_sha256": "e4391fe965b9ffb7eeb3b0891f7112fed874bab9af56c0b589b6182307390f3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3083",
    "kind": "arxiv",
    "version": 1
  }
}