Pith Number

pith:ZC7FPU32

pith:2007:ZC7FPU32L2TWTWBVJIVTBDRFUA

not attested not anchored not stored refs pending

Extreme adaptive optics imaging with a clear and well-corrected off-axis telescope sub-aperture

B. Mennesson, E. Serabyn, K. Wallace, M. Troy, P. Haguenauer, R. Burruss, R. Gappinger

arxiv:astro-ph/0702592 v1 · 2007-02-21 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZC7FPU32L2TWTWBVJIVTBDRFUA}

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	2026-07-04T17:07:41.980282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8be57d37a5ea769d8354a2b308e25a031678e0e73d86f872f874298c7204c7e

Aliases

arxiv: astro-ph/0702592 · arxiv_version: astro-ph/0702592v1 · doi: 10.48550/arxiv.astro-ph/0702592 · pith_short_12: ZC7FPU32L2TW · pith_short_16: ZC7FPU32L2TWTWBV · pith_short_8: ZC7FPU32

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/ZC7FPU32L2TWTWBVJIVTBDRFUA \
  | 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: c8be57d37a5ea769d8354a2b308e25a031678e0e73d86f872f874298c7204c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4733a8c0e59e773e159784c7b763267b8f0d85f866c2c6ba187d77bc3aa6db03",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-02-21T22:04:31Z",
    "title_canon_sha256": "d4505b193ef7ef6a14654d7a32141f6d34d026b1416f51fc489d05a2e4d4b3f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0702592",
    "kind": "arxiv",
    "version": 1
  }
}