Pith Number

pith:ZJPOGHJL

pith:2014:ZJPOGHJLE4EWUZT2CZAZHCQS2Z

not attested not anchored not stored refs pending

Feathering Instability of Spiral Arms. II. Parameter Study

2) ((1) UCSD, (2) ASIAA), Wing-Kit Lee (1

arxiv:1407.5215 v1 · 2014-07-19 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZJPOGHJLE4EWUZT2CZAZHCQS2Z}

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	2026-05-18T02:44:25.431610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca5ee31d2b27096a667a1641938a12d66ee69489a0647a82f0813f41b1f093e0

Aliases

arxiv: 1407.5215 · arxiv_version: 1407.5215v1 · doi: 10.48550/arxiv.1407.5215 · pith_short_12: ZJPOGHJLE4EW · pith_short_16: ZJPOGHJLE4EWUZT2 · pith_short_8: ZJPOGHJL

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/ZJPOGHJLE4EWUZT2CZAZHCQS2Z \
  | 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: ca5ee31d2b27096a667a1641938a12d66ee69489a0647a82f0813f41b1f093e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04ec643c6c990f08185313529f5ea9c504f30adfefb3f5174b980da64085fe8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-07-19T18:33:44Z",
    "title_canon_sha256": "8259306942422ca79e4825409fd9ed943e2b4fa5e80e3d0ee1d475ae91bfc795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5215",
    "kind": "arxiv",
    "version": 1
  }
}