Pith Number

pith:7SFA6TYA

pith:2011:7SFA6TYAI4653SIOETYHRADTEC

not attested not anchored not stored refs pending

Nuclear Rings in Galaxies---A Kinematic Perspective

Johan H. Knapen, Lisa M. Mazzuca, Robert A. Swaters, Sylvain Veilleux

arxiv:1107.4959 v1 · 2011-07-25 · 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{7SFA6TYAI4653SIOETYHRADTEC}

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	2026-05-18T02:01:10.504682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc8a0f4f00473dddc90e24f0788073209fe4c964cccf1d2a75f22ec84c1ea54c

Aliases

arxiv: 1107.4959 · arxiv_version: 1107.4959v1 · doi: 10.48550/arxiv.1107.4959 · pith_short_12: 7SFA6TYAI465 · pith_short_16: 7SFA6TYAI4653SIO · pith_short_8: 7SFA6TYA

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/7SFA6TYAI4653SIOETYHRADTEC \
  | 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: fc8a0f4f00473dddc90e24f0788073209fe4c964cccf1d2a75f22ec84c1ea54c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "442945d7e9100643dae2ff28a829660a7b4149e3ca74646086510369cee8d4bb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-25T14:30:16Z",
    "title_canon_sha256": "eb23a1b625a66a2c6dea82008d46ad8472c4d342f41d9617c7d51886a3a9ad34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4959",
    "kind": "arxiv",
    "version": 1
  }
}