Pith Number

pith:PEHUDF2N

pith:2010:PEHUDF2NO6MCUA4VUM4Q3OES4W

not attested not anchored not stored refs pending

Feedback from Central Black Holes in Elliptical Galaxies: Two-dimensional Models Compared to One-dimensional Models

G. S. Novak, J. P. Ostriker, L. Ciotti

arxiv:1007.3505 v2 · 2010-07-20 · 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{PEHUDF2NO6MCUA4VUM4Q3OES4W}

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	2026-05-18T02:06:12.257631Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

790f41974d77982a0395a3390db892e5b9fff921c015498c1915811efb4bd247

Aliases

arxiv: 1007.3505 · arxiv_version: 1007.3505v2 · doi: 10.48550/arxiv.1007.3505 · pith_short_12: PEHUDF2NO6MC · pith_short_16: PEHUDF2NO6MCUA4V · pith_short_8: PEHUDF2N

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/PEHUDF2NO6MCUA4VUM4Q3OES4W \
  | 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: 790f41974d77982a0395a3390db892e5b9fff921c015498c1915811efb4bd247

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d39470224cd483f5e4f1e44edc4d53fd0a2afdd37f20d2b4f749abd52f7eb4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-07-20T20:02:01Z",
    "title_canon_sha256": "03fdb13e192cc0b7fb6836c3371a141f1c06ff37822d27a38fb41f86e4e6ab11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3505",
    "kind": "arxiv",
    "version": 2
  }
}