Pith Number

pith:QLZQ2VFG

pith:2019:QLZQ2VFGYCNC3ZJHXQFQKOWT3J

not attested not anchored not stored refs pending

A Modular Deep Learning Pipeline for Galaxy-Scale Strong Gravitational Lens Detection and Modeling

James Butler, Katrin Heitmann, Nan Li, Nesar Ramachandra, Prasanna Balaprakash, Salman Habib, Sandeep Madireddy, The LSST Dark Energy Science Collaboration

arxiv:1911.03867 v3 · 2019-11-10 · astro-ph.IM · astro-ph.CO · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLZQ2VFGYCNC3ZJHXQFQKOWT3J}

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	2026-07-05T05:09:10.676706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82f30d54a6c09a2de527bc0b053ad3da679f9bc97852ca58ad2e27a6d9193c39

Aliases

arxiv: 1911.03867 · arxiv_version: 1911.03867v3 · doi: 10.48550/arxiv.1911.03867 · pith_short_12: QLZQ2VFGYCNC · pith_short_16: QLZQ2VFGYCNC3ZJH · pith_short_8: QLZQ2VFG

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/QLZQ2VFGYCNC3ZJHXQFQKOWT3J \
  | 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: 82f30d54a6c09a2de527bc0b053ad3da679f9bc97852ca58ad2e27a6d9193c39

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d16ca3b07a8bc638332527344baca752c53a80cb79208d9230a12015f4e54ea7",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2019-11-10T06:49:38Z",
    "title_canon_sha256": "92083d92a6bfa7d39ae3a7fab3832bded38652b5036218d8ef5bb55438ae2a54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.03867",
    "kind": "arxiv",
    "version": 3
  }
}