Pith Number

pith:QXBZ7RID

pith:2022:QXBZ7RIDA6PJ7LGJZJB5RCLX4Y

not attested not anchored not stored refs pending

Contrast performance of an 8m off-axis, segmented space telescope equipped with an adaptive optics system

A J Eldorado Riggs, Alison Nordt, Axel Potier, Chris Stark, Dan Sirbu, David Redding, Garreth Ruane, Kiarash Tajdaran, Larry Dewell, Laurent Pueyo, Pin Chen, Roser Juanola-Parramon

arxiv:2208.08553 v1 · 2022-08-17 · astro-ph.IM · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QXBZ7RIDA6PJ7LGJZJB5RCLX4Y}

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	2026-07-05T04:49:35.184619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85c39fc503079e9facc9ca43d88977e617e99c9dfa8e7b1a97f2a24affe087ae

Aliases

arxiv: 2208.08553 · arxiv_version: 2208.08553v1 · doi: 10.48550/arxiv.2208.08553 · pith_short_12: QXBZ7RIDA6PJ · pith_short_16: QXBZ7RIDA6PJ7LGJ · pith_short_8: QXBZ7RID

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/QXBZ7RIDA6PJ7LGJZJB5RCLX4Y \
  | 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: 85c39fc503079e9facc9ca43d88977e617e99c9dfa8e7b1a97f2a24affe087ae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "214fd98f5896db9efee7a80054241a997ea7f0314a8c40cb8101df16236cf4e4",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2022-08-17T22:02:17Z",
    "title_canon_sha256": "6526f8c44e2ac471a07dbf272254a866abff2b35aa2c011ed6cd45ae2f763731"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.08553",
    "kind": "arxiv",
    "version": 1
  }
}