Pith Number

pith:66EXERLD

pith:2016:66EXERLD4XDDX2JNGDFWT5VLXR

not attested not anchored not stored refs pending

Do fast stellar centroiding methods saturate the Cram\'{e}r-Rao lower bound?

David W. Hogg, Mohammadjavad Vakili

arxiv:1610.05873 v1 · 2016-10-19 · 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{66EXERLD4XDDX2JNGDFWT5VLXR}

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	2026-05-18T01:01:50.865976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f789724563e5c63be92d30cb69f6abbc5613194f4c7a676b65f4af5b65a18668

Aliases

arxiv: 1610.05873 · arxiv_version: 1610.05873v1 · doi: 10.48550/arxiv.1610.05873 · pith_short_12: 66EXERLD4XDD · pith_short_16: 66EXERLD4XDDX2JN · pith_short_8: 66EXERLD

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/66EXERLD4XDDX2JNGDFWT5VLXR \
  | 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: f789724563e5c63be92d30cb69f6abbc5613194f4c7a676b65f4af5b65a18668

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b7cac83fa2ca7681a97127faea276d16472fefafc54590134c568732ae4ff9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-10-19T05:36:48Z",
    "title_canon_sha256": "f592d907590a12b5663e4d3007a8c9306185c11f4b6f8e7f5e005117f3c8cdec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05873",
    "kind": "arxiv",
    "version": 1
  }
}