Pith Number

pith:4OB33PQU

pith:2012:4OB33PQUZMJK5OMXKZAXMEZ6A4

not attested not anchored not stored refs pending

Vertical density waves in the Milky Way disc induced by the Sagittarius Dwarf Galaxy

Brian W. O'Shea, Chris W. Purcell, Facundo A. G\'omez, Ivan Minchev, James S. Bullock, Timothy C. Beers

arxiv:1207.3083 v2 · 2012-07-12 · 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{4OB33PQUZMJK5OMXKZAXMEZ6A4}

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	2026-05-18T01:56:24.204582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e383bdbe14cb12aeb997564176133e07282889f1efb20dc61ce0fb4b4668daa9

Aliases

arxiv: 1207.3083 · arxiv_version: 1207.3083v2 · doi: 10.48550/arxiv.1207.3083 · pith_short_12: 4OB33PQUZMJK · pith_short_16: 4OB33PQUZMJK5OMX · pith_short_8: 4OB33PQU

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/4OB33PQUZMJK5OMXKZAXMEZ6A4 \
  | 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: e383bdbe14cb12aeb997564176133e07282889f1efb20dc61ce0fb4b4668daa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59817ab0423ef2459d597f15cd7c6b76e2fe5c0620db24d3d29fddd8a628a60c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-07-12T20:00:05Z",
    "title_canon_sha256": "6e31e402782df2520ad1d7e41c47c4c05a867555a9925384165f97bef67d5095"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3083",
    "kind": "arxiv",
    "version": 2
  }
}