Pith Number

pith:IKFHKEXI

pith:2019:IKFHKEXIXUOWI3B25ESPRQYYXK

not attested not anchored not stored refs pending

Supermassive Black Hole Feedback

Alexey Vikhlinin, Andrew Fabian, Brian McNamara, Christopher Reynolds, Claude-Andr\'e Faucher-Gigu\`ere, Corey Brummel-Smith, Daisuke Nagai, Edmund Hodges-Kluck, Ellen Zweibel, Eugene Churazov, Hsiang-Yi Karen Yang, Irina Zhuravleva, Jens Chluba, John ZuHone, Julie Hlavacek-Larrondo, Kaustuv Basu, Mark Voit, Massimo Gaspari, Mateusz Ruszkowski, Megan Donahue, Michael McDonald, Norbert Werner, Paul Nulsen, Richard Mushotzky, Tony Mroczkowski, Yuan Li

arxiv:1903.09686 v1 · 2019-03-22 · astro-ph.HE · 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{IKFHKEXIXUOWI3B25ESPRQYYXK}

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.

Cited by

1 paper in Pith

The Atacama Large Aperture Submillimeter Telescope (AtLAST)

Receipt and verification

First computed	2026-05-17T23:44:28.914781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

428a7512e8bd1d646c3ae924f8c318ba9630a7d754c099301ef3dee23982f3c9

Aliases

arxiv: 1903.09686 · arxiv_version: 1903.09686v1 · doi: 10.48550/arxiv.1903.09686 · pith_short_12: IKFHKEXIXUOW · pith_short_16: IKFHKEXIXUOWI3B2 · pith_short_8: IKFHKEXI

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/IKFHKEXIXUOWI3B25ESPRQYYXK \
  | 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: 428a7512e8bd1d646c3ae924f8c318ba9630a7d754c099301ef3dee23982f3c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7bfb8287861ab1d61489057523a85198623b4620e4cd72e8c26312f94b59712",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2019-03-22T19:44:03Z",
    "title_canon_sha256": "e3eb040fa0b915cdd98780c07a940b1cf84750aaa3a9c184262934002c8bf443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.09686",
    "kind": "arxiv",
    "version": 1
  }
}