Pith Number

pith:WCCEFX4Z

pith:2010:WCCEFX4Z5MXJJKTR6OTMSDEJVC

not attested not anchored not stored refs pending

Dissipational versus Dissipationless Galaxy Formation and the Dark Matter Content of Galaxies

Claire N. Lackner, Jeremiah P. Ostriker (Princeton University)

arxiv:1002.0585 v1 · 2010-02-02 · 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{WCCEFX4Z5MXJJKTR6OTMSDEJVC}

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	2026-05-18T02:09:20.723244Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b08442df99eb2e94aa71f3a6c90c89a8aada7ed54f661f969496c272b0371096

Aliases

arxiv: 1002.0585 · arxiv_version: 1002.0585v1 · doi: 10.48550/arxiv.1002.0585 · pith_short_12: WCCEFX4Z5MXJ · pith_short_16: WCCEFX4Z5MXJJKTR · pith_short_8: WCCEFX4Z

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/WCCEFX4Z5MXJJKTR6OTMSDEJVC \
  | 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: b08442df99eb2e94aa71f3a6c90c89a8aada7ed54f661f969496c272b0371096

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c366787a2f6562ad86283be509ab17fcea6817d59fc5aa4e7405575da885eee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-02-02T21:05:52Z",
    "title_canon_sha256": "18d3686d0690307584882701677f588534220c5477f4825f803dd510619a4a5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0585",
    "kind": "arxiv",
    "version": 1
  }
}