Pith Number

pith:GFCYFI4F

pith:2015:GFCYFI4FYSBDD5DNVEJOF7KAP5

not attested not anchored not stored refs pending

One-armed spirals in locally isothermal, radially structured self-gravitating discs

Min-Kai Lin (Arizona)

arxiv:1502.02662 v1 · 2015-02-09 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GFCYFI4FYSBDD5DNVEJOF7KAP5}

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	2026-05-18T01:41:04.118629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

314582a385c48231f46da912e2fd407f42ca61592fe6dd711122635089d878e5

Aliases

arxiv: 1502.02662 · arxiv_version: 1502.02662v1 · doi: 10.48550/arxiv.1502.02662 · pith_short_12: GFCYFI4FYSBD · pith_short_16: GFCYFI4FYSBDD5DN · pith_short_8: GFCYFI4F

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/GFCYFI4FYSBDD5DNVEJOF7KAP5 \
  | 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: 314582a385c48231f46da912e2fd407f42ca61592fe6dd711122635089d878e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "382d00f4c0267aed380d107fd7274f24f2de7de4b8b7eb275f2f8fe3167b34f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-02-09T21:00:13Z",
    "title_canon_sha256": "1721e933595aca30ccf03a73cfc0508b3631c9e68d4a6cfe8449d263dbb811fe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02662",
    "kind": "arxiv",
    "version": 1
  }
}