Pith Number

pith:XQUD3UOB

pith:1999:XQUD3UOBG6DKQNG5DWP6SW3XP4

not attested not anchored not stored refs pending

Rossby Wave Instability of Thin Accretion Disks -- II. Detailed Linear Theory

2), H. Li (1), J.M. Finn (2), R.V.E. Lovelace (1, S.A. Colgate (1) ((1) LANL; (2) Cornell)

arxiv:astro-ph/9907279 v1 · 1999-07-20 · astro-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{XQUD3UOBG6DKQNG5DWP6SW3XP4}

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	2026-07-04T16:11:26.956550Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc283dd1c13786a834dd1d9fe95b777f25b804ce24067aa95af3c3c7ac27d12e

Aliases

arxiv: astro-ph/9907279 · arxiv_version: astro-ph/9907279v1 · doi: 10.48550/arxiv.astro-ph/9907279 · pith_short_12: XQUD3UOBG6DK · pith_short_16: XQUD3UOBG6DKQNG5 · pith_short_8: XQUD3UOB

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/XQUD3UOBG6DKQNG5DWP6SW3XP4 \
  | 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: bc283dd1c13786a834dd1d9fe95b777f25b804ce24067aa95af3c3c7ac27d12e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60aaaf0ffa089e3d02968690a546f619280c757b8cd0d6f4ed9c9c7b3705596f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "1999-07-20T23:40:03Z",
    "title_canon_sha256": "d99a1c062cb0eed4af0f6fc685aa4b3d18d7ba00ede408a90bb83419363c24d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/9907279",
    "kind": "arxiv",
    "version": 1
  }
}