Pith Number

pith:NFGV33MI

pith:2026:NFGV33MIKDJH67CGHIGT5MWEGR

not attested not anchored not stored refs pending

Fast-spinning massive black holes from slowly rotating low-metallicity stars: implications for GW231123

A. Griffiths, G. Meynet, M. \'A. Aloy, N. H. Ismail, N. Yusof, R. Hirschi, S. Ekstr\"om

arxiv:2606.04428 v1 · 2026-06-03 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NFGV33MIKDJH67CGHIGT5MWEGR}

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	2026-06-04T01:09:07.724557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

694d5ded8850d27f7c463a0d3eb2c43470db60314993b018968bbfee399e65d4

Aliases

arxiv: 2606.04428 · arxiv_version: 2606.04428v1 · doi: 10.48550/arxiv.2606.04428 · pith_short_12: NFGV33MIKDJH · pith_short_16: NFGV33MIKDJH67CG · pith_short_8: NFGV33MI

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/NFGV33MIKDJH67CGHIGT5MWEGR \
  | 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: 694d5ded8850d27f7c463a0d3eb2c43470db60314993b018968bbfee399e65d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50cb3b1bd6cd9c76575b7544c00c9e19b9d74b878287da24b077567ff4612b2c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2026-06-03T04:17:29Z",
    "title_canon_sha256": "cdbb4d84217652ac79d5e6c645545ff215dae98736e0fff7bf0a79dcefbf4a1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04428",
    "kind": "arxiv",
    "version": 1
  }
}