Pith Number

pith:LPSS62H7

pith:2014:LPSS62H7ZXCGKU44XDIUC4QQDH

not attested not anchored not stored refs pending

Pitch Angle of Galactic Spiral Arms

Eiichiro Kokubo, Shugo Michikoshi

arxiv:1404.6332 v1 · 2014-04-25 · 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{LPSS62H7ZXCGKU44XDIUC4QQDH}

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	2026-05-18T01:43:23.369117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5be52f68ffcdc465539cb8d141721019c1b3194d6dabe6650ac24cb20e219ea3

Aliases

arxiv: 1404.6332 · arxiv_version: 1404.6332v1 · doi: 10.48550/arxiv.1404.6332 · pith_short_12: LPSS62H7ZXCG · pith_short_16: LPSS62H7ZXCGKU44 · pith_short_8: LPSS62H7

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/LPSS62H7ZXCGKU44XDIUC4QQDH \
  | 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: 5be52f68ffcdc465539cb8d141721019c1b3194d6dabe6650ac24cb20e219ea3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06f70484f979e5dc2bae11813a5253ada07c51e95f575d1beeb6eb90f4af464e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-04-25T06:10:35Z",
    "title_canon_sha256": "f61e1c6dff932ebd2e6e3817cec28f8a16c53fbb11a5e6b5b17815166d10f964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.6332",
    "kind": "arxiv",
    "version": 1
  }
}