Pith Number

pith:RABUUS5O

pith:2009:RABUUS5OAXR2V3P6SB2O564KWH

not attested not anchored not stored refs pending

Denoising Shack Hartmann Sensor spot pattern using Zernike Reconstructor

Akondi Vyas, B Raghavendra Prasad, M B Roopashree

arxiv:0909.0701 v1 · 2009-09-03 · 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{RABUUS5OAXR2V3P6SB2O564KWH}

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	2026-05-18T04:13:16.263775Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88034a4bae05e3aaedfe9074eefb8ab1ff1dedc9aeaec555240bcd86bfc6a09f

Aliases

arxiv: 0909.0701 · arxiv_version: 0909.0701v1 · doi: 10.48550/arxiv.0909.0701 · pith_short_12: RABUUS5OAXR2 · pith_short_16: RABUUS5OAXR2V3P6 · pith_short_8: RABUUS5O

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/RABUUS5OAXR2V3P6SB2O564KWH \
  | 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: 88034a4bae05e3aaedfe9074eefb8ab1ff1dedc9aeaec555240bcd86bfc6a09f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8363f83baeb285526a91584e21da373e1026b5e216f31f82f7fac891fbaa042",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-09-03T16:33:07Z",
    "title_canon_sha256": "e1c4e04b92416d552bd1b1e1885a1edbc66520cbfa7f004579d6e7cb5c7ceea7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.0701",
    "kind": "arxiv",
    "version": 1
  }
}