Pith Number

pith:RBVWRJYD

pith:2016:RBVWRJYD3UVRMBQGLRBZFYMIOI

not attested not anchored not stored refs pending

Supermassive black hole pairs in clumpy galaxies at high redshift: delayed binary formation and concurrent mass growth

James Wadsley, Jillian M. Bellovary, Lucio Mayer, Pedro R. Capelo, Valentina Tamburello

arxiv:1603.00021 v2 · 2016-02-29 · 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{RBVWRJYD3UVRMBQGLRBZFYMIOI}

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	2026-05-18T01:02:44.981241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

886b68a703dd2b1606065c4392e188720893be573d80968c9017c4faf0623136

Aliases

arxiv: 1603.00021 · arxiv_version: 1603.00021v2 · doi: 10.48550/arxiv.1603.00021 · pith_short_12: RBVWRJYD3UVR · pith_short_16: RBVWRJYD3UVRMBQG · pith_short_8: RBVWRJYD

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/RBVWRJYD3UVRMBQGLRBZFYMIOI \
  | 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: 886b68a703dd2b1606065c4392e188720893be573d80968c9017c4faf0623136

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc0e404d80a18a059ee142f325dcca99db67ba1d62417526d5c7b38b2452faf5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-02-29T21:00:01Z",
    "title_canon_sha256": "d78465bb8190cd954eff2249b584d385093ce40758d7f69fed8ac78ed3437cf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.00021",
    "kind": "arxiv",
    "version": 2
  }
}