Pith Number

pith:4F4XLCXA

pith:2026:4F4XLCXAYEFBVQ5KKU5OR53LGS

not attested not anchored not stored refs pending

Modeling the impact of filter-substrate refraction in the Roman point spread function

Anthony Harbo Torres, Charuhas Shiveshwarkar, Christopher M. Hirata, Federico Berlfein, Nihar Dalal, Rachel Mandelbaum, Tianqing Zhang

arxiv:2606.11305 v1 · 2026-06-09 · astro-ph.IM · 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{4F4XLCXAYEFBVQ5KKU5OR53LGS}

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	2026-06-11T00:08:17.772078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e179758ae0c10a1ac3aa553ae8f76b34b7c63bcf0b7e3c99ff692e2394c7d094

Aliases

arxiv: 2606.11305 · arxiv_version: 2606.11305v1 · doi: 10.48550/arxiv.2606.11305 · pith_short_12: 4F4XLCXAYEFB · pith_short_16: 4F4XLCXAYEFBVQ5K · pith_short_8: 4F4XLCXA

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/4F4XLCXAYEFBVQ5KKU5OR53LGS \
  | 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: e179758ae0c10a1ac3aa553ae8f76b34b7c63bcf0b7e3c99ff692e2394c7d094

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "096606cc524955c7503d7ffdee5864d930647ae6931c72ca55b1e4328c14be1a",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-06-09T18:00:05Z",
    "title_canon_sha256": "5820a7a3516dcf9635da3fa453de182bc2665bd4730c424a90d05176664a8127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11305",
    "kind": "arxiv",
    "version": 1
  }
}