Pith Number

pith:FUAGCMO3

pith:2015:FUAGCMO3UL5QRPNCI2XYJOMMUH

not attested not anchored not stored refs pending

The Parker Instability in Disk Galaxies

Andrew Fletcher (1) ((1) Newcastle University), Anvar Shukurov (1), Graeme R. Sarson (1), Luiz Felippe S. Rodrigues (1), Paul J. Bushby (1)

arxiv:1510.06318 v2 · 2015-10-21 · 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{FUAGCMO3UL5QRPNCI2XYJOMMUH}

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	2026-05-18T01:23:50.443569Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d006131dba2fb08bda246af84b98ca1ddf6b696961af0e98c0c184d07723f21

Aliases

arxiv: 1510.06318 · arxiv_version: 1510.06318v2 · doi: 10.48550/arxiv.1510.06318 · pith_short_12: FUAGCMO3UL5Q · pith_short_16: FUAGCMO3UL5QRPNC · pith_short_8: FUAGCMO3

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/FUAGCMO3UL5QRPNCI2XYJOMMUH \
  | 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: 2d006131dba2fb08bda246af84b98ca1ddf6b696961af0e98c0c184d07723f21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f30d030d810e7900d26a10c79c676179a368fb15889cc687e8bdf74b2bc32a6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-10-21T16:12:09Z",
    "title_canon_sha256": "047578aba7f7b5a6c9d86ca47cc31c4cc7f76a0929495a0c3d4b0d5cfc0a4eab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.06318",
    "kind": "arxiv",
    "version": 2
  }
}