Pith Number

pith:O27V3P4L

pith:2019:O27V3P4L7M5PVLEC66VBMPZJMH

not attested not anchored not stored refs pending

The use of convolutional neural networks for modelling large optically-selected strong galaxy-lens samples

James Pearson, Nan Li, Simon Dye

arxiv:1904.06199 v2 · 2019-04-12 · astro-ph.IM · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O27V3P4L7M5PVLEC66VBMPZJMH}

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	2026-05-17T23:39:44.233495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76bf5dbf8bfb3afaac82f7aa163f2961c79889f237f39fe0f159a1a9c35e3145

Aliases

arxiv: 1904.06199 · arxiv_version: 1904.06199v2 · doi: 10.48550/arxiv.1904.06199 · pith_short_12: O27V3P4L7M5P · pith_short_16: O27V3P4L7M5PVLEC · pith_short_8: O27V3P4L

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/O27V3P4L7M5PVLEC66VBMPZJMH \
  | 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: 76bf5dbf8bfb3afaac82f7aa163f2961c79889f237f39fe0f159a1a9c35e3145

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa0aebd5ce36f652a4e2f3f9fba491b4e40cdbd49d929c32fd1e885ea61ebbb",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-04-12T12:47:00Z",
    "title_canon_sha256": "dc349a7daf611729d7bb30a95f27a14d566d867f08c4bb4cc9ec4d6e81b296f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.06199",
    "kind": "arxiv",
    "version": 2
  }
}