Pith. sign in
Pith Number

pith:ET4SZAOH

pith:2023:ET4SZAOHP74M76USLZQDPZYL2E
not attested not anchored not stored refs pending

Probing supermassive black hole seed scenarios with gravitational wave measurements

John Ellis, Juan Urrutia, Malcolm Fairbairn, Ville Vaskonen

arxiv:2312.02983 v2 · 2023-12-05 · astro-ph.CO · astro-ph.HE · gr-qc

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{ET4SZAOHP74M76USLZQDPZYL2E}

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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

Receipt and verification
First computed 2026-07-05T07:56:57.253987Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

24f92c81c77ff8cffa925e6037e70bd13f6afdcec6e2b213771c973e5698cd2e

Aliases

arxiv: 2312.02983 · arxiv_version: 2312.02983v2 · doi: 10.48550/arxiv.2312.02983 · pith_short_12: ET4SZAOHP74M · pith_short_16: ET4SZAOHP74M76US · pith_short_8: ET4SZAOH
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/ET4SZAOHP74M76USLZQDPZYL2E \
  | 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: 24f92c81c77ff8cffa925e6037e70bd13f6afdcec6e2b213771c973e5698cd2e
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7fad090e7f4b86d7615d01a3b5f2cb6477f924844ab88d639284115722adeff0",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2023-12-05T18:59:59Z",
    "title_canon_sha256": "5cc0df7dee0e5a5ab461b4b9e3ffdd5449e0beba4146c588183d5399401d5666"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2312.02983",
    "kind": "arxiv",
    "version": 2
  }
}