Pith Number

pith:K2NOFW7N

pith:2009:K2NOFW7NTCIDILECWBZ5R3BY7T

not attested not anchored not stored refs pending

Magnetohydrodynamic Waves in a Partially Ionized Filament Thread

J. L. Ballester, R. Oliver, R. Soler

arxiv:0904.3013 v2 · 2009-04-20 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K2NOFW7NTCIDILECWBZ5R3BY7T}

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	2026-05-18T04:29:43.415463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

569ae2dbed9890342c82b073d8ec38fcd33a832f87acf08bc296bd1e246d7d06

Aliases

arxiv: 0904.3013 · arxiv_version: 0904.3013v2 · doi: 10.48550/arxiv.0904.3013 · pith_short_12: K2NOFW7NTCID · pith_short_16: K2NOFW7NTCIDILEC · pith_short_8: K2NOFW7N

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/K2NOFW7NTCIDILECWBZ5R3BY7T \
  | 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: 569ae2dbed9890342c82b073d8ec38fcd33a832f87acf08bc296bd1e246d7d06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f46f755e46a9fcf6b8218f440553d91d5595de6ce08b5a844758acd910bdc90",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-04-20T12:00:44Z",
    "title_canon_sha256": "053cd0842e34177725f76192805082377c227f291701b13355d49b9491ba7cbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.3013",
    "kind": "arxiv",
    "version": 2
  }
}