Pith Number

pith:SW6MDSIY

pith:2019:SW6MDSIYLK4HG7CUMEBJHZJLR7

not attested not anchored not stored refs pending

The Clustering of Undetected High-redshift Black Holes and Their Signatures in Cosmic Backgrounds

Angelo Ricarte, Fabio Pacucci, Nico Cappelluti, Priyamvada Natarajan

arxiv:1907.03675 v2 · 2019-07-08 · 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{SW6MDSIYLK4HG7CUMEBJHZJLR7}

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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

Spectral Properties Of Populations Behind The Coherence In Spitzer Near-Infrared And Chandra X-Ray Backgrounds

Receipt and verification

First computed	2026-07-05T00:06:48.648063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95bcc1c9185ab8737c54610293e52b8feed2eefd7279944ec4559dad39560774

Aliases

arxiv: 1907.03675 · arxiv_version: 1907.03675v2 · doi: 10.48550/arxiv.1907.03675 · pith_short_12: SW6MDSIYLK4H · pith_short_16: SW6MDSIYLK4HG7CU · pith_short_8: SW6MDSIY

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/SW6MDSIYLK4HG7CUMEBJHZJLR7 \
  | 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: 95bcc1c9185ab8737c54610293e52b8feed2eefd7279944ec4559dad39560774

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f1fd91ac4937bcd9ac65e1f3b5eb891d8635faa4ba20c3b1f4b1ca132fedca3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-07-08T15:28:39Z",
    "title_canon_sha256": "0c329f4da3ffba42fabf8caaeec9a188f79f36d0d8fcfc65b5774c38f342bdbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03675",
    "kind": "arxiv",
    "version": 2
  }
}