Pith Number

pith:HN4G7VOQ

pith:2021:HN4G7VOQEVF37WODOVPLOEL77A

not attested not anchored not stored refs pending

Strong lensing in UNIONS: Toward a pipeline from discovery to modeling

B. Cl\'ement, C. Lemon, C. Stone, D. Scott, E. Savary, F. Courbin, G. Vernardos, J.-C. Cuillandre, J. H. H. Chan, K. Rojas, M. J. Hudson, M. Kilbinger, M. Maus, R. Ca\~nameras, R. Gavazzi, S. Fabbro, S. Gwyn, S. H. Suyu, S. Schuldt

arxiv:2110.11972 v2 · 2021-10-22 · 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{HN4G7VOQEVF37WODOVPLOEL77A}

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	2026-07-05T05:01:16.554801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b786fd5d0254bbfd9c3755eb7117ff807a26aff78ae8540ba0f771309e6e9b9

Aliases

arxiv: 2110.11972 · arxiv_version: 2110.11972v2 · doi: 10.48550/arxiv.2110.11972 · pith_short_12: HN4G7VOQEVF3 · pith_short_16: HN4G7VOQEVF37WOD · pith_short_8: HN4G7VOQ

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/HN4G7VOQEVF37WODOVPLOEL77A \
  | 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: 3b786fd5d0254bbfd9c3755eb7117ff807a26aff78ae8540ba0f771309e6e9b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "867802ab1205f6e94436fcfca90458b27fec2c4f2000f8fe6610256a8770a6ac",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-10-22T18:00:02Z",
    "title_canon_sha256": "8fea6f1515144e27727ebd04f8c7bf287ece67015d7e5019496651119ca7103d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11972",
    "kind": "arxiv",
    "version": 2
  }
}