Pith Number

pith:NLBQYOK2

pith:2025:NLBQYOK2OYX3RJ3M6MIFNPCHPH

not attested not anchored not stored refs pending

The Last Stand Before Rubin: a consolidated sample of strong lensing systems in wide-field surveys

Jo\~ao Paulo C. Fran\c{c}a, Mart\'in Makler, Renan Alves de Oliveira

arxiv:2509.09798 v1 · 2025-09-11 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLBQYOK2OYX3RJ3M6MIFNPCHPH}

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	2026-07-05T12:09:49.575463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac30c395a762fb8a76cf31056bc4779cde4d553e8e9c2f654749e84075ab96c

Aliases

arxiv: 2509.09798 · arxiv_version: 2509.09798v1 · doi: 10.48550/arxiv.2509.09798 · pith_short_12: NLBQYOK2OYX3 · pith_short_16: NLBQYOK2OYX3RJ3M · pith_short_8: NLBQYOK2

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/NLBQYOK2OYX3RJ3M6MIFNPCHPH \
  | 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: 6ac30c395a762fb8a76cf31056bc4779cde4d553e8e9c2f654749e84075ab96c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66dc9ab26c0203bf2d0bb8755778afb0fb2e630e2f8d092de7ac23d2ba6601a2",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-11T19:01:56Z",
    "title_canon_sha256": "81b130f25af800c867ea075225d21ef219dba20e898a59e88c45ba3c88edb367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.09798",
    "kind": "arxiv",
    "version": 1
  }
}