Pith Number

pith:XAFOJENK

pith:2009:XAFOJENKQYTWHQNVD6MNBFLEEM

not attested not anchored not stored refs pending

Centroid Detection by Gaussian Pattern Matching in Adaptive Optics

Akondi Vyas, B Raghavendra Prasad, M B Roopashree

arxiv:0910.3386 v1 · 2009-10-18 · 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{XAFOJENKQYTWHQNVD6MNBFLEEM}

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	2026-05-18T04:15:36.271367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b80ae491aa862763c1b51f98d09564232b26cd07c2114e20359e340cc088e69a

Aliases

arxiv: 0910.3386 · arxiv_version: 0910.3386v1 · doi: 10.48550/arxiv.0910.3386 · pith_short_12: XAFOJENKQYTW · pith_short_16: XAFOJENKQYTWHQNV · pith_short_8: XAFOJENK

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/XAFOJENKQYTWHQNVD6MNBFLEEM \
  | 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: b80ae491aa862763c1b51f98d09564232b26cd07c2114e20359e340cc088e69a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02d2ace015a6c478e7181fabf7307ea5fe21d44079e0a99f3c36d29d45b6a193",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2009-10-18T16:07:00Z",
    "title_canon_sha256": "1c0e207a835a51da48aff3321c3896441e65ecaae790a334a4cb6315b60f23b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.3386",
    "kind": "arxiv",
    "version": 1
  }
}