Pith Number

pith:M7DQ7KJO

pith:2013:M7DQ7KJOCKNMTAWR6QN3BOY57X

not attested not anchored not stored refs pending

A simple and accurate approximation for the Q stability parameter in multi-component and realistically thick discs

Alessandro B. Romeo, Niklas Falstad

arxiv:1302.4291 v3 · 2013-02-18 · astro-ph.CO · astro-ph.GA · physics.flu-dyn · physics.plasm-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{M7DQ7KJOCKNMTAWR6QN3BOY57X}

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.

Cited by

2 papers in Pith

The Edge-on Galaxies in the DESI survey (EGIDE): sample building and photometry

IllustrisTNG50 angular momentum maps: tracing the morpho-kinematic evolution of galaxies

Receipt and verification

First computed	2026-05-18T01:51:35.763199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67c70fa92e129ac982d1f41bb0bb1dfdca0ac55b37721fa4e8032dfa0da83d2a

Aliases

arxiv: 1302.4291 · arxiv_version: 1302.4291v3 · doi: 10.48550/arxiv.1302.4291 · pith_short_12: M7DQ7KJOCKNM · pith_short_16: M7DQ7KJOCKNMTAWR · pith_short_8: M7DQ7KJO

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/M7DQ7KJOCKNMTAWR6QN3BOY57X \
  | 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: 67c70fa92e129ac982d1f41bb0bb1dfdca0ac55b37721fa4e8032dfa0da83d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0dfb76375260246fe412765f220785924525cc5c219ba80b414392c99d2ad23",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "physics.flu-dyn",
      "physics.plasm-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-02-18T14:39:04Z",
    "title_canon_sha256": "575c2588c672270cec158a50aa92fcdffd7a99c4736c5828e9e46e2996ff7893"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4291",
    "kind": "arxiv",
    "version": 3
  }
}