Pith Number

pith:LLT5OMSK

pith:2010:LLT5OMSKU36HKJVY2CG3XHCQKD

not attested not anchored not stored refs pending

Rings and spirals in barred galaxies. III. Further comparisons and links to observations

2), A. Bosma (1), Barcelona), Barcelona (3)MA1-UPC-IEEC, E. Athanassoula (1), J.J. Masdemont (3) ((1)LAM, Marseille (2) ICCUB-IEEC, M. Romero-Gomez (1

arxiv:1005.2943 v1 · 2010-05-17 · astro-ph.CO · 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{LLT5OMSKU36HKJVY2CG3XHCQKD}

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	2026-05-18T02:07:18.209828Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ae7d7324aa6fc7526b8d08dbb9c5050cd179d03a70182df7c9feeb6a56b4494

Aliases

arxiv: 1005.2943 · arxiv_version: 1005.2943v1 · doi: 10.48550/arxiv.1005.2943 · pith_short_12: LLT5OMSKU36H · pith_short_16: LLT5OMSKU36HKJVY · pith_short_8: LLT5OMSK

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/LLT5OMSKU36HKJVY2CG3XHCQKD \
  | 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: 5ae7d7324aa6fc7526b8d08dbb9c5050cd179d03a70182df7c9feeb6a56b4494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "edefa08d412910214ebd185b2dac350dcf41c4f81efa783eeb45f59c99c07a14",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-05-17T14:57:36Z",
    "title_canon_sha256": "33d7b8891c8d80aac1ed4bc105d6f58aee8b760d74cb6617ebad3313108c77ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2943",
    "kind": "arxiv",
    "version": 1
  }
}