Pith Number

pith:F7UMJPWS

pith:2009:F7UMJPWSGIFLEBQITJNCLJYDVI

not attested not anchored not stored refs pending

Relativistic Two-stream Instability

C. S. Lopez-Monsalvo, G. L. Comer, L. Samuelsson, N. Andersson

arxiv:0906.4002 v1 · 2009-06-22 · gr-qc · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{F7UMJPWSGIFLEBQITJNCLJYDVI}

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	2026-05-18T04:34:46.307025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2fe8c4bed2320ab206089a5a25a703aa25f2a059c51ba886739d4fa17fd54bec

Aliases

arxiv: 0906.4002 · arxiv_version: 0906.4002v1 · doi: 10.48550/arxiv.0906.4002 · pith_short_12: F7UMJPWSGIFL · pith_short_16: F7UMJPWSGIFLEBQI · pith_short_8: F7UMJPWS

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/F7UMJPWSGIFLEBQITJNCLJYDVI \
  | 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: 2fe8c4bed2320ab206089a5a25a703aa25f2a059c51ba886739d4fa17fd54bec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6c662765b0c3cbc19338f214c0179460f46cbdd68f452a78007c14d21de4249",
    "cross_cats_sorted": [
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-06-22T13:34:30Z",
    "title_canon_sha256": "c7ae99e27628fcfe67dcade230c2b92a7f53f138da7f54874c68c09fa8317578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.4002",
    "kind": "arxiv",
    "version": 1
  }
}