Pith Number

pith:GI7QFOLW

pith:2010:GI7QFOLWNMG7GBNJLJD6NQT5IR

not attested not anchored not stored refs pending

An upper limit to the central density of dark matter haloes from consistency with the presence of massive central black holes

William H. Lee, X. Hernandez

arxiv:1002.0553 v1 · 2010-02-02 · 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{GI7QFOLWNMG7GBNJLJD6NQT5IR}

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	2026-05-18T02:09:20.782535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

323f02b9766b0df305a95a47e6c27d4457813fef2336c72cd29b7982637afc6b

Aliases

arxiv: 1002.0553 · arxiv_version: 1002.0553v1 · doi: 10.48550/arxiv.1002.0553 · pith_short_12: GI7QFOLWNMG7 · pith_short_16: GI7QFOLWNMG7GBNJ · pith_short_8: GI7QFOLW

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/GI7QFOLWNMG7GBNJLJD6NQT5IR \
  | 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: 323f02b9766b0df305a95a47e6c27d4457813fef2336c72cd29b7982637afc6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "120f8adbda5a96c788d358eaa869dda4d01de3d126ce379858f5ef34565a9506",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-02-02T17:53:31Z",
    "title_canon_sha256": "7d627bc89eb516b155a021c2dd26d9ea32040e4e0866117e7528924bcc4c4288"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0553",
    "kind": "arxiv",
    "version": 1
  }
}