Pith Number

pith:2O2BWYOJ

pith:2010:2O2BWYOJ2YG7PVVYMSJGTJSJ5N

not attested not anchored not stored refs pending

An expanded M_bh-sigma diagram, and a new calibration of active galactic nuclei masses

Alister W. Graham, Christopher A. Onken, E. Athanassoula, Francoise Combes

arxiv:1007.3834 v2 · 2010-07-22 · astro-ph.CO · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2O2BWYOJ2YG7PVVYMSJGTJSJ5N}

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	2026-05-18T02:06:11.676081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d3b41b61c9d60df7d6b8649269a649eb6cc093f03b9cb4948aa7e928de5d6026

Aliases

arxiv: 1007.3834 · arxiv_version: 1007.3834v2 · doi: 10.48550/arxiv.1007.3834 · pith_short_12: 2O2BWYOJ2YG7 · pith_short_16: 2O2BWYOJ2YG7PVVY · pith_short_8: 2O2BWYOJ

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/2O2BWYOJ2YG7PVVYMSJGTJSJ5N \
  | 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: d3b41b61c9d60df7d6b8649269a649eb6cc093f03b9cb4948aa7e928de5d6026

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b7c94ac760ef26f8f557273aa2b7872743f504cf8463f450d00d07a12526254",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-07-22T09:25:02Z",
    "title_canon_sha256": "0841a7e30dc2bf4a75be8f6281eeb701f1e03e294b3ffecb2bfabe36b2b433a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.3834",
    "kind": "arxiv",
    "version": 2
  }
}