Pith Number

pith:7BGDIASE

pith:2009:7BGDIASELNZDLARQP6JOKN2ALB

not attested not anchored not stored refs pending

Quantum and classical dynamics of Langmuir wave packets

Fernando Haas, Padma Kant Shukla

arxiv:0902.3584 v1 · 2009-02-20 · 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{7BGDIASELNZDLARQP6JOKN2ALB}

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	2026-05-18T02:14:46.703790Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f84c3402445b723582307f92e5374058551e0f2631724796f2d7ac5cccd7bb56

Aliases

arxiv: 0902.3584 · arxiv_version: 0902.3584v1 · doi: 10.48550/arxiv.0902.3584 · pith_short_12: 7BGDIASELNZD · pith_short_16: 7BGDIASELNZDLARQ · pith_short_8: 7BGDIASE

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/7BGDIASELNZDLARQP6JOKN2ALB \
  | 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: f84c3402445b723582307f92e5374058551e0f2631724796f2d7ac5cccd7bb56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2ca709d7830e5352e7dd3fc9e709dd511fc62767a520b040f63087d5ef74cd3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.plasm-ph",
    "submitted_at": "2009-02-20T14:16:32Z",
    "title_canon_sha256": "7dd8b7cdebec5cd76c68a13db8ae2c126c7cc3ae73a36dd78eddeba529b90ce6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.3584",
    "kind": "arxiv",
    "version": 1
  }
}