Pith Number

pith:XAUSGDSB

pith:2011:XAUSGDSBOSSCVNNBDRAPV2F6EB

not attested not anchored not stored refs pending

Assessing the redshift evolution of massive black holes and their hosts

Daniel P. Stark, Marta Volonteri

arxiv:1107.1946 v1 · 2011-07-11 · 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{XAUSGDSBOSSCVNNBDRAPV2F6EB}

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	2026-05-18T02:01:20.558799Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b829230e4174a42ab5a11c40fae8be206ec5e0e4b8af243c6841578c9c0e4108

Aliases

arxiv: 1107.1946 · arxiv_version: 1107.1946v1 · doi: 10.48550/arxiv.1107.1946 · pith_short_12: XAUSGDSBOSSC · pith_short_16: XAUSGDSBOSSCVNNB · pith_short_8: XAUSGDSB

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/XAUSGDSBOSSCVNNBDRAPV2F6EB \
  | 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: b829230e4174a42ab5a11c40fae8be206ec5e0e4b8af243c6841578c9c0e4108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c79668154d78163bbd5a8eb33fd3707c937dea4242a32f2799df4791b1aab919",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-11T06:58:46Z",
    "title_canon_sha256": "cb7d90c5ec64fe63c1a63a81fb0d5a5eceb1137d1446ab4ce44d1049d1234070"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.1946",
    "kind": "arxiv",
    "version": 1
  }
}