Pith Number

pith:7SPJDJ4E

pith:2021:7SPJDJ4EONLG63BZVYVBXJWGT6

not attested not anchored not stored refs pending

Likelihood-free Forward Modeling for Cluster Weak Lensing and Cosmology

Adam Amara, Keiichi Umetsu, Sut-Ieng Tam

arxiv:2109.09741 v2 · 2021-09-20 · astro-ph.CO · 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{7SPJDJ4EONLG63BZVYVBXJWGT6}

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

Machine Learning Techniques for Astrophysics and Cosmology: Photometric Redshifts

Receipt and verification

First computed	2026-07-05T03:55:01.890080Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc9e91a78473566f6c39ae2a1ba6c69f925325bb8664fe95f7528f65a136bbf8

Aliases

arxiv: 2109.09741 · arxiv_version: 2109.09741v2 · doi: 10.48550/arxiv.2109.09741 · pith_short_12: 7SPJDJ4EONLG · pith_short_16: 7SPJDJ4EONLG63BZ · pith_short_8: 7SPJDJ4E

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/7SPJDJ4EONLG63BZVYVBXJWGT6 \
  | 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: fc9e91a78473566f6c39ae2a1ba6c69f925325bb8664fe95f7528f65a136bbf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0bbf01cda13d65a8964cdec90e1eaaeab8bbaf7e26bb7683ab83fcac96e24605",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-09-20T18:00:00Z",
    "title_canon_sha256": "e969847b9646fed4495123112d0cacfdf5213af6da16c428965ae5389ddf5404"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09741",
    "kind": "arxiv",
    "version": 2
  }
}