Pith Number

pith:W6CQ3N7W

pith:2010:W6CQ3N7WAHAM63UJNLSX3SOTPA

not attested not anchored not stored refs pending

Effect of a dark matter halo on the determination of black hole masses

Andreas Schulze, Karl Gebhardt

arxiv:1011.5077 v2 · 2010-11-23 · 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{W6CQ3N7WAHAM63UJNLSX3SOTPA}

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	2026-05-18T02:04:41.936618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b7850db7f601c0cf6e896ae57dc9d3782d5951db93cdd26750961f04f706e40d

Aliases

arxiv: 1011.5077 · arxiv_version: 1011.5077v2 · doi: 10.48550/arxiv.1011.5077 · pith_short_12: W6CQ3N7WAHAM · pith_short_16: W6CQ3N7WAHAM63UJ · pith_short_8: W6CQ3N7W

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/W6CQ3N7WAHAM63UJNLSX3SOTPA \
  | 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: b7850db7f601c0cf6e896ae57dc9d3782d5951db93cdd26750961f04f706e40d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c549530e7126e481dc42b7c6c31f260858ff3699ed97d392a3c12cdc93c7b0d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-23T12:54:57Z",
    "title_canon_sha256": "f4b2b30768ece33748670cbd75de1a30e18e42a1ea76fb9516ce393e2e5eff67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.5077",
    "kind": "arxiv",
    "version": 2
  }
}