Pith Number

pith:UTZF6Y4H

pith:2017:UTZF6Y4HZS7UKQUXVP4P5SEF6C

not attested not anchored not stored refs pending

Direct detection of gravitational waves can measure the time variation of the Planck mass

Ignacy Sawicki, Ippocratis D. Saltas, Luca Amendola, Martin Kunz

arxiv:1712.08623 v2 · 2017-12-22 · astro-ph.CO · 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{UTZF6Y4HZS7UKQUXVP4P5SEF6C}

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.

Cited by

3 papers in Pith

On the use of the Derivative Approximation for Likelihoods for Gravitational Wave Inference

Science Case for the Einstein Telescope

Radio sirens: inferring $H_0$ with binary black holes and neutral hydrogen in the era of the Einstein Telescope and the SKA Observatory

Receipt and verification

First computed	2026-05-17T23:58:25.156023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4f25f6387ccbf454297abf8fec885f0befc258dff7478c1cd04297d6ea778d0

Aliases

arxiv: 1712.08623 · arxiv_version: 1712.08623v2 · doi: 10.48550/arxiv.1712.08623 · pith_short_12: UTZF6Y4HZS7U · pith_short_16: UTZF6Y4HZS7UKQUX · pith_short_8: UTZF6Y4H

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/UTZF6Y4HZS7UKQUXVP4P5SEF6C \
  | 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: a4f25f6387ccbf454297abf8fec885f0befc258dff7478c1cd04297d6ea778d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "425d62f16bb917816a93d2028fa637d2af0a39fbce4d95de95acf3e34d5c740d",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2017-12-22T19:07:15Z",
    "title_canon_sha256": "12d63c0d7ca821141ce6bfc6b66d8fb20f6896d1e94604518456bc27511ec969"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.08623",
    "kind": "arxiv",
    "version": 2
  }
}