pith. sign in
Pith Number

pith:QJ4JNSJB

pith:2019:QJ4JNSJBZI6BFEKZAEMLBSOEYF
not attested not anchored not stored refs pending

Circumnuclear rings and Lindblad resonances in spiral galaxies

D. Mast, E. O. Schmidt, G. Gaspar, G. Gimeno, G. G\"unthardt, G. Oio, M. P. Ag\"uero, R. Diaz

arxiv:1906.04843 v1 · 2019-06-11 · astro-ph.GA

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QJ4JNSJBZI6BFEKZAEMLBSOEYF}

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 2026-05-17T23:39:43.144381Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

827896c921ca3c1291590118b0c9c4c140fc8761d57d837ed1dfb8f629c5767e

Aliases

arxiv: 1906.04843 · arxiv_version: 1906.04843v1 · doi: 10.48550/arxiv.1906.04843 · pith_short_12: QJ4JNSJBZI6B · pith_short_16: QJ4JNSJBZI6BFEKZ · pith_short_8: QJ4JNSJB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QJ4JNSJBZI6BFEKZAEMLBSOEYF \
  | 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: 827896c921ca3c1291590118b0c9c4c140fc8761d57d837ed1dfb8f629c5767e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bbe7b19091b0600ef6e179c31ae69127c50d963b641dc2c2ee9618e6cdf4505f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-11T22:14:59Z",
    "title_canon_sha256": "b0f06279cde7be4f3fb3c41d69f2d82ce4cc17b6e3bc49dba99f124fe1471f38"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04843",
    "kind": "arxiv",
    "version": 1
  }
}