Pith Number

pith:FRVKKY7G

pith:2019:FRVKKY7GYCHRSKT2FJ5GXDAP7Z

not attested not anchored not stored refs pending

Probing supermassive black hole mergers and stalling with pulsar timing arrays

Chiara M. F. Mingarelli

arxiv:1901.06785 v1 · 2019-01-21 · gr-qc · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRVKKY7GYCHRSKT2FJ5GXDAP7Z}

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	2026-05-17T23:55:49.152250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c6aa563e6c08f192a7a2a7a6b8c0ffe66a6ed62a98b999d35a832717589a06e

Aliases

arxiv: 1901.06785 · arxiv_version: 1901.06785v1 · doi: 10.48550/arxiv.1901.06785 · pith_short_12: FRVKKY7GYCHR · pith_short_16: FRVKKY7GYCHRSKT2 · pith_short_8: FRVKKY7G

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/FRVKKY7GYCHRSKT2FJ5GXDAP7Z \
  | 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: 2c6aa563e6c08f192a7a2a7a6b8c0ffe66a6ed62a98b999d35a832717589a06e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4461f1425ec7285d17936880c5ccc209ae1d05dd45d4d4e0f4f2bdd5da049e95",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2019-01-21T03:55:30Z",
    "title_canon_sha256": "79aedb745987cb0d9a2ef04df3acb8e1924c779ddbe2ee964e589c44c5e84572"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.06785",
    "kind": "arxiv",
    "version": 1
  }
}