Pith Number

pith:IJIIX4DA

pith:2011:IJIIX4DATGAW5QTGJRAHY3RIKZ

not attested not anchored not stored refs pending

The globular cluster system of the Milky Way: accretion in a cosmological context

Dougal Mackey, Gary S. Da Costa, Stefan C. Keller

arxiv:1109.4414 v1 · 2011-09-20 · 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{IJIIX4DATGAW5QTGJRAHY3RIKZ}

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	2026-05-18T02:00:27.521127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42508bf06099816ec2664c407c6e28564e7d391e6685d5f40d46f7fe499da3b0

Aliases

arxiv: 1109.4414 · arxiv_version: 1109.4414v1 · doi: 10.48550/arxiv.1109.4414 · pith_short_12: IJIIX4DATGAW · pith_short_16: IJIIX4DATGAW5QTG · pith_short_8: IJIIX4DA

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/IJIIX4DATGAW5QTGJRAHY3RIKZ \
  | 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: 42508bf06099816ec2664c407c6e28564e7d391e6685d5f40d46f7fe499da3b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4aeeb89f983817815d11091508b9d983813ed35ac8f3244e5154cf96eb82cb0",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2011-09-20T20:00:00Z",
    "title_canon_sha256": "fc0edcde968160bf847f4c10d6a380b3d4cbb642ded0e6769e5f75216d01e584"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4414",
    "kind": "arxiv",
    "version": 1
  }
}