Pith Number

pith:JIYPWCAN

pith:2026:JIYPWCANJJUS3UYCNE2MIL7KQK

not attested not anchored not stored refs pending

Point spread function wavefront recovery from in-focus stellar observations

Ezequiel Centofanti, Jean-Luc Starck, Samuel Farrens, Tobias Liaudat

arxiv:2607.01032 v1 · 2026-07-01 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIYPWCANJJUS3UYCNE2MIL7KQK}

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	2026-07-02T01:18:26.563252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a30fb080d4a692dd3026934c42fea828734f73f2b51b0c34466cee8188835c5

Aliases

arxiv: 2607.01032 · arxiv_version: 2607.01032v1 · doi: 10.48550/arxiv.2607.01032 · pith_short_12: JIYPWCANJJUS · pith_short_16: JIYPWCANJJUS3UYC · pith_short_8: JIYPWCAN

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/JIYPWCANJJUS3UYCNE2MIL7KQK \
  | 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: 4a30fb080d4a692dd3026934c42fea828734f73f2b51b0c34466cee8188835c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91bd4365b518da271f86bfbcd8bc0e72abe576af4fa474ae0147db56fd4c40d1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2026-07-01T15:00:21Z",
    "title_canon_sha256": "6f9ff0f89d50a455fa40b541a0f39ac06b174f1dc78ddafdbd7a054ab8b49a50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01032",
    "kind": "arxiv",
    "version": 1
  }
}