Pith Number

pith:YBC5IV4N

pith:2009:YBC5IV4NDTWEJ2HAVFK4GRZBB3

not attested not anchored not stored refs pending

GALEX UV properties of the polar ring galaxy MCG-05-07-001 and the shell galaxies NGC 1210 and NGC 5329

A. Marino, C. Chiosi, D. Bettoni, E. Iodice, G. Galletta, L.M. Buson, L. Piovan, R.M. Rich, R. Rampazzo, R. Tantalo

arxiv:0909.4020 v2 · 2009-09-22 · 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{YBC5IV4NDTWEJ2HAVFK4GRZBB3}

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	2026-05-18T02:11:45.318113Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c045d4578d1cec44e8e0a955c347210eec2731a9c824361225b9dd03cf1fb40e

Aliases

arxiv: 0909.4020 · arxiv_version: 0909.4020v2 · doi: 10.48550/arxiv.0909.4020 · pith_short_12: YBC5IV4NDTWE · pith_short_16: YBC5IV4NDTWEJ2HA · pith_short_8: YBC5IV4N

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/YBC5IV4NDTWEJ2HAVFK4GRZBB3 \
  | 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: c045d4578d1cec44e8e0a955c347210eec2731a9c824361225b9dd03cf1fb40e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efb6ad877f2407fee496053af75659fb5690026104f381c9dc374217bee2449",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-09-22T16:15:02Z",
    "title_canon_sha256": "75916e08bbb1963e8613fcbb80bc1bdae10836f2da560ad1beb4f94889f9d0fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.4020",
    "kind": "arxiv",
    "version": 2
  }
}