Pith Number

pith:I6WSAJG5

pith:2018:I6WSAJG5YFSGTG6NVGDCHUAM6P

not attested not anchored not stored refs pending

Weak-lensing shear measurement with machine learning: teaching artificial neural networks about feature noise

Fr\'ed\'eric Courbin, Hendrik Hildebrandt, Malte Tewes, Reiko Nakajima, Thibault Kuntzer, Tim Schrabback

arxiv:1807.02120 v2 · 2018-07-05 · astro-ph.CO · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I6WSAJG5YFSGTG6NVGDCHUAM6P}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:54:59.078142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47ad2024ddc164699bcda98623d00cf3df6e31e0c8ff0650ec52281e9bdb417f

Aliases

arxiv: 1807.02120 · arxiv_version: 1807.02120v2 · doi: 10.48550/arxiv.1807.02120 · pith_short_12: I6WSAJG5YFSG · pith_short_16: I6WSAJG5YFSGTG6N · pith_short_8: I6WSAJG5

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/I6WSAJG5YFSGTG6NVGDCHUAM6P \
  | 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: 47ad2024ddc164699bcda98623d00cf3df6e31e0c8ff0650ec52281e9bdb417f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "deb505e3a7b36bc631c59d230ef5853dd18d7b60ea4cf0139dc64e36111330e3",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2018-07-05T18:00:01Z",
    "title_canon_sha256": "dc9191ec633406a2f878c1912af9791ebe18ce8b20310e30a2ddcf543d262c7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.02120",
    "kind": "arxiv",
    "version": 2
  }
}