Pith Number

pith:XWRI55XK

pith:2018:XWRI55XKEGDLHEZ35C2HC2LCDV

not attested not anchored not stored refs pending

Constraining black-hole horizon effects by LIGO-Virgo detections of inspiralling binary black holes

Kwun-Hang Lai, Tjonnie Guang Feng Li

arxiv:1807.01840 v3 · 2018-07-05 · 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{XWRI55XKEGDLHEZ35C2HC2LCDV}

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

1 paper in Pith

Testing the nature of dark compact objects: a status report

Receipt and verification

First computed	2026-05-18T00:01:29.118508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bda28ef6ea2186b3933be8b47169621d6f658b8e81b3242606daa7183385b86c

Aliases

arxiv: 1807.01840 · arxiv_version: 1807.01840v3 · doi: 10.48550/arxiv.1807.01840 · pith_short_12: XWRI55XKEGDL · pith_short_16: XWRI55XKEGDLHEZ3 · pith_short_8: XWRI55XK

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/XWRI55XKEGDLHEZ35C2HC2LCDV \
  | 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: bda28ef6ea2186b3933be8b47169621d6f658b8e81b3242606daa7183385b86c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e70dfe61e16c1c1d790c1b4499dc0f8983caacb66b743a255d763ffc20f754c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-07-05T04:15:52Z",
    "title_canon_sha256": "4875daf487389416cfd2b439797ccc9622595cbc3a9e62b3ec7236c98bde96a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01840",
    "kind": "arxiv",
    "version": 3
  }
}