Pith Number

pith:DOOY26YW

pith:2021:DOOY26YW7R65BAXENBDT7L3U32

not attested not anchored not stored refs pending

A Method To Characterize the Wide-Angle Point Spread Function of Astronomical Images

Allison Merritt, Ava Polzin, Colleen Gilhuly, Deborah Lokhorst, Imad Pasha, Jiaxuan Li, Jielai Zhang, Johnny P. Greco, Michael A. Keim, Peter G. Martin, Pieter van Dokkum, Qing Liu, Roberto Abraham, Seery Chen, Shany Danieli, Tim B. Miller, Zili Shen

arxiv:2110.11598 v2 · 2021-10-22 · 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{DOOY26YW7R65BAXENBDT7L3U32}

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	2026-07-05T03:57:13.894875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b9d8d7b16fc7dd082e468473faf74de937538ee9a429cdec4693d20c3d8c151

Aliases

arxiv: 2110.11598 · arxiv_version: 2110.11598v2 · doi: 10.48550/arxiv.2110.11598 · pith_short_12: DOOY26YW7R65 · pith_short_16: DOOY26YW7R65BAXE · pith_short_8: DOOY26YW

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/DOOY26YW7R65BAXENBDT7L3U32 \
  | 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: 1b9d8d7b16fc7dd082e468473faf74de937538ee9a429cdec4693d20c3d8c151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfea025235e5d44b6d6c8b9b413c674c800af499895f3056eca4e7b06d5bb306",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2021-10-22T05:26:50Z",
    "title_canon_sha256": "41149be3240de3bf3e606eaaadfc7771634fb96c9128f13de20afababeee2fa4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.11598",
    "kind": "arxiv",
    "version": 2
  }
}