Pith Number

pith:22KKAX3K

pith:2026:22KKAX3KR7L7WYXHNH54O6F2KB

not attested not anchored not stored refs pending

Implications of the nanoHertz Gravitational-Wave Background for Galactic Feedback and Massive Black Hole Growth

Blakesley Burkhart, C\'esar Hern\'andez-Aguayo, Chiara M. F. Mingarelli, Enik\H{o} Reg\H{o}s, J. Andrew Casey-Clyde, Lars Hernquist, Megan Taylor Tillman, Sownak Bose

arxiv:2602.15938 v2 · 2026-02-17 · astro-ph.GA · 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{22KKAX3KR7L7WYXHNH54O6F2KB}

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	2026-05-27T01:05:44.848200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d694a05f6a8fd7fb62e769fbc778ba5040715f1809439e8e3c63e46d029abf34

Aliases

arxiv: 2602.15938 · arxiv_version: 2602.15938v2 · doi: 10.48550/arxiv.2602.15938 · pith_short_12: 22KKAX3KR7L7 · pith_short_16: 22KKAX3KR7L7WYXH · pith_short_8: 22KKAX3K

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/22KKAX3KR7L7WYXHNH54O6F2KB \
  | 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: d694a05f6a8fd7fb62e769fbc778ba5040715f1809439e8e3c63e46d029abf34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5951e1eef7c33bed75fc0195fb6087b94339f3136ca4b664e7981b3810618e1f",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-02-17T19:00:05Z",
    "title_canon_sha256": "74796e94efc6dd71e124842d72dbb3cf8a829f074ce7c599092de37c3fb25849"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2602.15938",
    "kind": "arxiv",
    "version": 2
  }
}