Pith Number

pith:YK4FHGZI

pith:2013:YK4FHGZIJHMXJGLV2UEK7EVFSL

not attested not anchored not stored refs pending

The relation between magnetic and material arms in models for spiral galaxies

D. Moss, D. Sokoloff, M. Krause, R. Beck, R. Stepanov, T.G. Arshakian

arxiv:1307.1258 v1 · 2013-07-04 · 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{YK4FHGZIJHMXJGLV2UEK7EVFSL}

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	2026-05-18T01:48:59.798321Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b8539b2849d9749975d508af92a592c401fddd6c81b91742a0eb81aea1a538

Aliases

arxiv: 1307.1258 · arxiv_version: 1307.1258v1 · doi: 10.48550/arxiv.1307.1258 · pith_short_12: YK4FHGZIJHMX · pith_short_16: YK4FHGZIJHMXJGLV · pith_short_8: YK4FHGZI

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/YK4FHGZIJHMXJGLV2UEK7EVFSL \
  | 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: c2b8539b2849d9749975d508af92a592c401fddd6c81b91742a0eb81aea1a538

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c7e466f6264b9134e6871230f62d681e940a90a68a7bcb0179922950128ff85",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2013-07-04T10:13:47Z",
    "title_canon_sha256": "a2c76acc8247f5741160d07d26432f7f47679e0503155740c6eccd9313d9c1d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1258",
    "kind": "arxiv",
    "version": 1
  }
}