Pith Number

pith:42N4FPMH

pith:2008:42N4FPMHO5UVUOMPNDI2TGBWLV

not attested not anchored not stored refs pending

Storm fronts over galaxy discs: Models of how waves generate extraplanar gas and its anomalous kinematics

Curtis Struck (Iowa State), Daniel C. Smith (APL-JHU)

arxiv:0808.3564 v2 · 2008-08-26 · 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{42N4FPMHO5UVUOMPNDI2TGBWLV}

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	2026-05-18T02:15:42.664292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e69bc2bd8777695a398f68d1a998365d4a5cf44cb98d652d6da83d38e3820fe7

Aliases

arxiv: 0808.3564 · arxiv_version: 0808.3564v2 · doi: 10.48550/arxiv.0808.3564 · pith_short_12: 42N4FPMHO5UV · pith_short_16: 42N4FPMHO5UVUOMP · pith_short_8: 42N4FPMH

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/42N4FPMHO5UVUOMPNDI2TGBWLV \
  | 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: e69bc2bd8777695a398f68d1a998365d4a5cf44cb98d652d6da83d38e3820fe7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "09365d0b8719ecd09ca9d513074d203ab700d99a907a0f033fff7081cffe0e77",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-08-26T18:22:01Z",
    "title_canon_sha256": "c89d3e481c4cf38368ff259a7f9f52c655883c3a837070a22ba4be5c9f3d4860"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0808.3564",
    "kind": "arxiv",
    "version": 2
  }
}