Pith Number

pith:UZ3YALEC

pith:2012:UZ3YALECSS5YMKE5OV52NFURPC

not attested not anchored not stored refs pending

Dynamics of stars around spiral arms in an N-body/SPH simulated barred-spiral galaxy

Daisuke Kawata, Mark Cropper, Robert J. J. Grand

arxiv:1202.6387 v2 · 2012-02-28 · 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{UZ3YALECSS5YMKE5OV52NFURPC}

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	2026-05-18T01:58:18.491130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a677802c8294bb86289d757ba69691789173995ecad9bb60c16aedbb9bb8bb40

Aliases

arxiv: 1202.6387 · arxiv_version: 1202.6387v2 · doi: 10.48550/arxiv.1202.6387 · pith_short_12: UZ3YALECSS5Y · pith_short_16: UZ3YALECSS5YMKE5 · pith_short_8: UZ3YALEC

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/UZ3YALECSS5YMKE5OV52NFURPC \
  | 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: a677802c8294bb86289d757ba69691789173995ecad9bb60c16aedbb9bb8bb40

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "283c45fe4c432d38373eb8c0e94544f0018cdd8987eeab594e446d1c5a460e95",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-02-28T21:41:02Z",
    "title_canon_sha256": "c7c9d9a1371501f5dd4c459c35e2e2916d80e028faede8b2b5ec63d6a85165e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.6387",
    "kind": "arxiv",
    "version": 2
  }
}