Pith Number

pith:ES44XHNY

pith:2015:ES44XHNY6IV7AOEV7AYR43F25E

not attested not anchored not stored refs pending

Lindblad Zones: resonant eccentric orbits to aid bar and spiral formation in galaxy discs

Curtis Struck

arxiv:1504.05161 v1 · 2015-04-20 · astro-ph.GA · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ES44XHNY6IV7AOEV7AYR43F25E}

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	2026-05-18T02:04:05.473716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24b9cb9db8f22bf03895f8311e6cbae922df842d6b28db8a2fef94b8d71f6a72

Aliases

arxiv: 1504.05161 · arxiv_version: 1504.05161v1 · doi: 10.48550/arxiv.1504.05161 · pith_short_12: ES44XHNY6IV7 · pith_short_16: ES44XHNY6IV7AOEV · pith_short_8: ES44XHNY

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/ES44XHNY6IV7AOEV7AYR43F25E \
  | 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: 24b9cb9db8f22bf03895f8311e6cbae922df842d6b28db8a2fef94b8d71f6a72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32f354ed9c9736cb541f28d13315400d5c62b1e144a2eb8e851624cfa73c455c",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-20T19:15:40Z",
    "title_canon_sha256": "eb0ff5a1557f76a19842e6e6d912bb9272153daa538daacfe1806c77f85b3fc1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.05161",
    "kind": "arxiv",
    "version": 1
  }
}