Pith Number

pith:3QIZBQOH

pith:2009:3QIZBQOH5UPRHZNK6ZFAANMSUX

not attested not anchored not stored refs pending

Did the Milky Way dwarf satellites enter the halo as a group?

Christian Theis, Gerhard Hensler, Helmut Jerjen, Manuel Metz, Pavel Kroupa

arxiv:0903.0375 v1 · 2009-03-02 · astro-ph.CO · 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{3QIZBQOH5UPRHZNK6ZFAANMSUX}

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	2026-05-18T04:29:16.214954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc1190c1c7ed1f13e5aaf64a003592a5f7f42634e139c62a9b21d3fdbff6f56e

Aliases

arxiv: 0903.0375 · arxiv_version: 0903.0375v1 · doi: 10.48550/arxiv.0903.0375 · pith_short_12: 3QIZBQOH5UPR · pith_short_16: 3QIZBQOH5UPRHZNK · pith_short_8: 3QIZBQOH

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/3QIZBQOH5UPRHZNK6ZFAANMSUX \
  | 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: dc1190c1c7ed1f13e5aaf64a003592a5f7f42634e139c62a9b21d3fdbff6f56e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1806824844b8da72a7a5fd9324bd4586330cf5677b78944c7d2cd9b4a9075c7a",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-03-02T21:01:06Z",
    "title_canon_sha256": "36b296193082663772309c2afa5e1aeb101cd878d1a45fbf467d9bfca4edccab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.0375",
    "kind": "arxiv",
    "version": 1
  }
}