Pith Number

pith:RJHPR23R

pith:2026:RJHPR23REPZDOLQEDWZZPXCK6Q

not attested not anchored not stored refs pending

The first decade of gravitational-wave measurements of black hole spins

Sylvia Biscoveanu

arxiv:2606.06209 v1 · 2026-06-04 · 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{RJHPR23REPZDOLQEDWZZPXCK6Q}

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	2026-06-05T01:15:37.439821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a4ef8eb7123f2372e041db397dc4af42025207f44e3225e2c22f864e4e58933

Aliases

arxiv: 2606.06209 · arxiv_version: 2606.06209v1 · doi: 10.48550/arxiv.2606.06209 · pith_short_12: RJHPR23REPZD · pith_short_16: RJHPR23REPZDOLQE · pith_short_8: RJHPR23R

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/RJHPR23REPZDOLQEDWZZPXCK6Q \
  | 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: 8a4ef8eb7123f2372e041db397dc4af42025207f44e3225e2c22f864e4e58933

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd8f343f8817dbf30c88cbeb9447e675457e418531053109a008835aedb2ac39",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-06-04T14:14:46Z",
    "title_canon_sha256": "fea4065a6f2da5cb35c662abac4e75164422710a9d4ecc246f21e06f739791c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06209",
    "kind": "arxiv",
    "version": 1
  }
}