Pith Number

pith:ULNWIKPM

pith:2009:ULNWIKPM4MKDUHCXZWPDWR7M4G

not attested not anchored not stored refs pending

Magnetohydrodynamic Shallow Water Waves: Linear Analysis

Anatoly Spitkovsky, Kevin Heng

arxiv:0908.0946 v3 · 2009-08-06 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ULNWIKPM4MKDUHCXZWPDWR7M4G}

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	2026-05-18T02:12:36.897249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a2db6429ece3143a1c57cd9e3b47ece1932491d6435d9208a69f5e8e1bca7e4e

Aliases

arxiv: 0908.0946 · arxiv_version: 0908.0946v3 · doi: 10.48550/arxiv.0908.0946 · pith_short_12: ULNWIKPM4MKD · pith_short_16: ULNWIKPM4MKDUHCX · pith_short_8: ULNWIKPM

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/ULNWIKPM4MKDUHCXZWPDWR7M4G \
  | 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: a2db6429ece3143a1c57cd9e3b47ece1932491d6435d9208a69f5e8e1bca7e4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "675e3af255942915d51abff845d866a564a26a06f5577b3cedea22746250f357",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-08-06T20:02:42Z",
    "title_canon_sha256": "3ed0d73b4d7a6bccd6b420902e647a06dc4c3c03da7c2867741b54398f1b7031"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0946",
    "kind": "arxiv",
    "version": 3
  }
}