Pith Number

pith:7F24P5J5

pith:2018:7F24P5J5RTZ4XVPSYHSDF3TCKP

not attested not anchored not stored refs pending

Classifying Lensed Gravitational Waves in the Geometrical Optics Limit with Machine Learning

Amit Jit Singh, Ivan S.C. Li, Kyungmin Kim, Otto A. Hannuksela, Tjonnie G.F. Li

arxiv:1810.07888 v2 · 2018-10-18 · astro-ph.IM · 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{7F24P5J5RTZ4XVPSYHSDF3TCKP}

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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	2026-07-05T00:29:36.380870Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f975c7f53d8cf3cbd5f2c1e432ee6253ed8b9a9e5e143b6c9764e7587a8430a4

Aliases

arxiv: 1810.07888 · arxiv_version: 1810.07888v2 · doi: 10.48550/arxiv.1810.07888 · pith_short_12: 7F24P5J5RTZ4 · pith_short_16: 7F24P5J5RTZ4XVPS · pith_short_8: 7F24P5J5

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/7F24P5J5RTZ4XVPSYHSDF3TCKP \
  | 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: f975c7f53d8cf3cbd5f2c1e432ee6253ed8b9a9e5e143b6c9764e7587a8430a4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbc4e4fce57b1b01070e02755fbd6304093b84fbd6e2bfaa3f0bae49bf3b2c67",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2018-10-18T03:34:12Z",
    "title_canon_sha256": "f21f0b2947c943b262045610119d38acdcc060bc1c313bd5a55807702b84a82d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.07888",
    "kind": "arxiv",
    "version": 2
  }
}