Pith Number

pith:S45QH6QV

pith:2026:S45QH6QVB5AD33SWUL4OYYC6CU

not attested not anchored not stored refs pending

Evidence for mass-dependent spin subpopulations in GWTC-4

Aaron Zimmerman, Asad Hussain, Maximiliano Isi

arxiv:2605.24281 v1 · 2026-05-22 · 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{S45QH6QVB5AD33SWUL4OYYC6CU}

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	2026-05-26T01:02:57.651886Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

973b03fa150f403dee56a2f8ec605e15385c44805ce0320b3df28a9461df8aad

Aliases

arxiv: 2605.24281 · arxiv_version: 2605.24281v1 · doi: 10.48550/arxiv.2605.24281 · pith_short_12: S45QH6QVB5AD · pith_short_16: S45QH6QVB5AD33SW · pith_short_8: S45QH6QV

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/S45QH6QVB5AD33SWUL4OYYC6CU \
  | 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: 973b03fa150f403dee56a2f8ec605e15385c44805ce0320b3df28a9461df8aad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76ed31e4fcd0ef3a0e36366c13b98c75159fbdb62222dc5e7f4909cb31ae6faa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-05-22T23:17:29Z",
    "title_canon_sha256": "839bf171aef4991695f5688ca85ba23f5b509bd1d687af1dfaf021542f1411de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.24281",
    "kind": "arxiv",
    "version": 1
  }
}