Pith Number

pith:EM3NXLKU

pith:2026:EM3NXLKUOPC6DK4IZCBDU4AHSD

not attested not anchored not stored refs pending

Constraints on primordial black holes from the first part of LIGO-Virgo-KAGRA fourth observing run

A.J. Iovino, E. Vallejo-Pag\`es, H. Veerm\"ae, Ll. M. Mir, M. Andr\'es-Carcasona, M. Mart\'inez, V. Vaskonen

arxiv:2605.15749 v1 · 2026-05-15 · astro-ph.CO · astro-ph.HE · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EM3NXLKUOPC6DK4IZCBDU4AHSD}

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	2026-05-20T00:01:16.159413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2336dbad5473c5e1ab88c8823a700790e6e5651efc60d82f6eecbf0f20b10054

Aliases

arxiv: 2605.15749 · arxiv_version: 2605.15749v1 · doi: 10.48550/arxiv.2605.15749 · pith_short_12: EM3NXLKUOPC6 · pith_short_16: EM3NXLKUOPC6DK4I · pith_short_8: EM3NXLKU

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/EM3NXLKUOPC6DK4IZCBDU4AHSD \
  | 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: 2336dbad5473c5e1ab88c8823a700790e6e5651efc60d82f6eecbf0f20b10054

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38d1e9b18edb290f41df44ddfb40d8e10af7919f4ef84de8d58bc69984414bdb",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2026-05-15T09:07:39Z",
    "title_canon_sha256": "8ba882266a465a2f373c315b0422e036b8724a4608957ff521422e92c9950ae8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.15749",
    "kind": "arxiv",
    "version": 1
  }
}