Pith Number

pith:Z477VG2P

pith:2021:Z477VG2PYQKH5F6R3K6CV4NT2A

not attested not anchored not stored refs pending

Expanding the Reach of Gravitational Wave Astronomy to the Edge of the Universe: The Gravitational-Wave International Committee Study Reports on Next Generation Ground-based Gravitational-Wave Observatories

B.S. Sathyaprakash, David McClelland, David Reitze, David Shoemaker, Gary Sanders, Harald Lueck, Jo van den Brand, Michele Punturo, Peter Couvares, Sheila Rowan, Stavros Katsanevas, Takaaki Kajita, Vicky Kalogera

arxiv:2111.06986 v1 · 2021-11-12 · gr-qc · astro-ph.HE · 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{Z477VG2PYQKH5F6R3K6CV4NT2A}

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	2026-07-05T03:31:34.040711Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf3ffa9b4fc4147e97d1dabc2af1b3d03d49f1c11f5d513f8c56ff093a62ca36

Aliases

arxiv: 2111.06986 · arxiv_version: 2111.06986v1 · doi: 10.48550/arxiv.2111.06986 · pith_short_12: Z477VG2PYQKH · pith_short_16: Z477VG2PYQKH5F6R · pith_short_8: Z477VG2P

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/Z477VG2PYQKH5F6R3K6CV4NT2A \
  | 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: cf3ffa9b4fc4147e97d1dabc2af1b3d03d49f1c11f5d513f8c56ff093a62ca36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e2d0852f5a6b6a65c7da3782302a0380a0ba84dc438b33eb5f2f8af7826a7c6",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "astro-ph.IM"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-11-12T23:46:06Z",
    "title_canon_sha256": "936daafc1a89242070bdcbb66b3a16ff5b115092b8f84d1c7816c0aee47f89f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.06986",
    "kind": "arxiv",
    "version": 1
  }
}