Pith Number

pith:OEOLV4OR

pith:2014:OEOLV4ORLGX624LJC3VNFO5EF3

not attested not anchored not stored refs pending

The behavior of the pitch angle of spiral arms depending on optical wavelength

A. Luna, Eric E. Mart\'inez-Garc\'ia, F. F. Rosales-Ortega, Isaura Fuentes-Carrera, Iv\^anio Puerari, Rosa A. Gonz\'alez-L\'opezlira

arxiv:1408.5132 v1 · 2014-08-21 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEOLV4ORLGX624LJC3VNFO5EF3}

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	2026-05-18T01:42:15.767470Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

711cbaf1d159afed716916ead2bba42edac6715bd2ca684659f304be537d44a6

Aliases

arxiv: 1408.5132 · arxiv_version: 1408.5132v1 · doi: 10.48550/arxiv.1408.5132 · pith_short_12: OEOLV4ORLGX6 · pith_short_16: OEOLV4ORLGX624LJ · pith_short_8: OEOLV4OR

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/OEOLV4ORLGX624LJC3VNFO5EF3 \
  | 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: 711cbaf1d159afed716916ead2bba42edac6715bd2ca684659f304be537d44a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e337cc05ed0e2dba34099e5e8c9fe276c7a92862be92eb565f52fe6c317c1bc",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-08-21T20:00:17Z",
    "title_canon_sha256": "f2ff3b778110ff299cb5c2b7710cb81bf79e50961d777692d8fb780e49a37bb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.5132",
    "kind": "arxiv",
    "version": 1
  }
}