Pith Number

pith:HETEDBSW

pith:2018:HETEDBSW22D7ZDB7MXFE3WKKV4

not attested not anchored not stored refs pending

The evolution of SMBH spin and AGN luminosities for $z<6$ within a semi-analytic model of galaxy formation

2), (2) Portsmouth, (3) Perth, (4) MPIA Heidelberg), Andrew J. Griffin (1), Carlton M. Baugh (1), Cedric G. Lacey (1), Claudia del P. Lagos (3), Nikos Fanidakis (4) ((1) Durham, Violeta Gonzalez-Perez (1

arxiv:1806.08370 v2 · 2018-06-21 · 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{HETEDBSW22D7ZDB7MXFE3WKKV4}

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	2026-05-17T23:46:19.591403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3926418656d687fc8c3f65ca4dd94aaf1d5279046e0bf5374cc3fe834f433af9

Aliases

arxiv: 1806.08370 · arxiv_version: 1806.08370v2 · doi: 10.48550/arxiv.1806.08370 · pith_short_12: HETEDBSW22D7 · pith_short_16: HETEDBSW22D7ZDB7 · pith_short_8: HETEDBSW

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/HETEDBSW22D7ZDB7MXFE3WKKV4 \
  | 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: 3926418656d687fc8c3f65ca4dd94aaf1d5279046e0bf5374cc3fe834f433af9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e00d79e7d6679f79b6680909ee8cf7bbc2d85bcbcda163bc56e88c83a7d20a3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-06-21T18:01:52Z",
    "title_canon_sha256": "c3e40163cdc733413c40089aafcc633cb4435674062381ea7ac345d68c48aa8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08370",
    "kind": "arxiv",
    "version": 2
  }
}