Pith Number

pith:OG6QGVBF

pith:2010:OG6QGVBFHD5GJQAD4NCD2SAUHF

not attested not anchored not stored refs pending

Low redshift AGN in the Hamburg/ESO Survey: II. The active black hole mass function and the distribution function of Eddington ratios

Andreas Schulze, Lutz Wisotzki

arxiv:1004.2671 v1 · 2010-04-15 · 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{OG6QGVBFHD5GJQAD4NCD2SAUHF}

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.

Cited by

1 paper in Pith

Population synthesis of active galactic nuclei based on the radiation-regulated unification model

Receipt and verification

First computed	2026-05-18T02:08:05.085707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71bd03542538fa64c003e3443d481439445f7580c644404ca1bc4f1ef7b8ed77

Aliases

arxiv: 1004.2671 · arxiv_version: 1004.2671v1 · doi: 10.48550/arxiv.1004.2671 · pith_short_12: OG6QGVBFHD5G · pith_short_16: OG6QGVBFHD5GJQAD · pith_short_8: OG6QGVBF

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/OG6QGVBFHD5GJQAD4NCD2SAUHF \
  | 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: 71bd03542538fa64c003e3443d481439445f7580c644404ca1bc4f1ef7b8ed77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b05df739e6743fced2b25c078347f778501523e7b8e2c89a385a2849a11ea80b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-15T17:29:55Z",
    "title_canon_sha256": "5c43161cf5675f71f0c90863ce10d02df6b57608a3e1d324950e10fe3bbd3082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2671",
    "kind": "arxiv",
    "version": 1
  }
}