Pith Number

pith:6YH45CME

pith:2021:6YH45CMEQM44CWD5OIKTCTN3UQ

not attested not anchored not stored refs pending

Strong lens modelling: comparing and combining Bayesian neural networks and parametric profile fitting

Jacob Maresca, James Pearson, Nan Li, Simon Dye

arxiv:2103.03257 v2 · 2021-03-04 · astro-ph.IM · 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{6YH45CMEQM44CWD5OIKTCTN3UQ}

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	2026-07-05T02:53:00.692381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f60fce89848339c1587d7215314dbba420fdc423d89b24caf78bd6a3a4b648cd

Aliases

arxiv: 2103.03257 · arxiv_version: 2103.03257v2 · doi: 10.48550/arxiv.2103.03257 · pith_short_12: 6YH45CMEQM44 · pith_short_16: 6YH45CMEQM44CWD5 · pith_short_8: 6YH45CME

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/6YH45CMEQM44CWD5OIKTCTN3UQ \
  | 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: f60fce89848339c1587d7215314dbba420fdc423d89b24caf78bd6a3a4b648cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf95392245ffecffb34270b684ee1f7763178e4645784271dfe58c25508507a5",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-03-04T19:00:02Z",
    "title_canon_sha256": "0b0aa4960fd019a4bcc22945956aefeff545b47fe67427dc6df50950530d3059"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03257",
    "kind": "arxiv",
    "version": 2
  }
}