Pith Number

pith:RKVRCQVY

pith:2021:RKVRCQVYOSDQZC7GA5N4RVEPIQ

not attested not anchored not stored refs pending

Hints of spin-orbit resonances in the binary black hole population

Maximiliano Isi, Salvatore Vitale, Sylvia Biscoveanu, Vijay Varma, Will M. Farr

arxiv:2107.09693 v4 · 2021-07-20 · 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{RKVRCQVYOSDQZC7GA5N4RVEPIQ}

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	2026-07-05T03:49:40.431206Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8aab1142b874870c8be6075bc8d48f443467a492ad7c657332cdaa8da219256a

Aliases

arxiv: 2107.09693 · arxiv_version: 2107.09693v4 · doi: 10.48550/arxiv.2107.09693 · pith_short_12: RKVRCQVYOSDQ · pith_short_16: RKVRCQVYOSDQZC7G · pith_short_8: RKVRCQVY

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/RKVRCQVYOSDQZC7GA5N4RVEPIQ \
  | 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: 8aab1142b874870c8be6075bc8d48f443467a492ad7c657332cdaa8da219256a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3ebc98c235c30c62eb434db8636886039ecafd0215bed679cdf7be3e310453",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2021-07-20T18:01:51Z",
    "title_canon_sha256": "6df60f0bd02b186993772bf6db9de395d0ff52b00f9e65620ebc83aeeb7eb483"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09693",
    "kind": "arxiv",
    "version": 4
  }
}