Pith Number

pith:KMNJ5W73

pith:2019:KMNJ5W734H7THQTU6NXHTDWBAO

not attested not anchored not stored refs pending

Supermassive black holes at high redshifts

Alberto Dominguez, Alessandro de Angelis, Alexandre Marcowith, Daniel Castro, Dario Gasparrini, David Thompson, Dieter Hartmann, Elena Orlando, Elisa Prandini, Elizabeth Hays, Filippo D'Ammando, Francesco Longo, Hui Li, Ivan Agudo, Jeremy S. Perkins, John Tomsick, John W. Hewitt, J. Patrick Harding, Julie McEnery, Lea Marcotulli, Lih-Sin The, Marco Ajello, Maria Petropoulou, Matthew Baring, Michele Doro, Paolo Coppi, Roopesh Ojha, Sara Buson, Sylvain Guiriec, Tonia Venters, Vaidehi S. Paliya, Vladimir Bozhilov, Volker Beckmann, Zorawar Wadiasingh

arxiv:1903.06106 v1 · 2019-03-14 · 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{KMNJ5W734H7THQTU6NXHTDWBAO}

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	2026-05-17T23:51:15.360233Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

531a9edbfbe1ff33c274f36e798ec10398c6a37b798a5f03841b152dd683419b

Aliases

arxiv: 1903.06106 · arxiv_version: 1903.06106v1 · doi: 10.48550/arxiv.1903.06106 · pith_short_12: KMNJ5W734H7T · pith_short_16: KMNJ5W734H7THQTU · pith_short_8: KMNJ5W73

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/KMNJ5W734H7THQTU6NXHTDWBAO \
  | 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: 531a9edbfbe1ff33c274f36e798ec10398c6a37b798a5f03841b152dd683419b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863645ea4f6481b5a22d17107dfb04593d404c5c636a70a3071d39de8e848c99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-14T16:36:24Z",
    "title_canon_sha256": "2129ae112e4b1ddcc833ea4091e2ef9502055afd8d3db9b936247785f8a135a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.06106",
    "kind": "arxiv",
    "version": 1
  }
}