Pith Number

pith:MW7NEFUC

pith:2025:MW7NEFUCDR6MDUE6PLLUP5GZDJ

not attested not anchored not stored refs pending

Evaluation of centroiding algorithms for an autonomous star tracker

Marcio Afonso Arimura Fialho

arxiv:2507.17560 v1 · 2025-07-23 · astro-ph.IM · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MW7NEFUCDR6MDUE6PLLUP5GZDJ}

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	2026-07-05T11:42:09.995603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65bed216821c7cc1d09e7ad747f4d91a54e4928db5158f6d68f74bbb664028c5

Aliases

arxiv: 2507.17560 · arxiv_version: 2507.17560v1 · doi: 10.48550/arxiv.2507.17560 · pith_short_12: MW7NEFUCDR6M · pith_short_16: MW7NEFUCDR6MDUE6 · pith_short_8: MW7NEFUC

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/MW7NEFUCDR6MDUE6PLLUP5GZDJ \
  | 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: 65bed216821c7cc1d09e7ad747f4d91a54e4928db5158f6d68f74bbb664028c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6541787621a5ef814f70f44b10b3caaed66fa4b065f7b0bc7f870081651ed785",
    "cross_cats_sorted": [
      "physics.ins-det"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-07-23T14:50:50Z",
    "title_canon_sha256": "d8f33d5170aab53bb6efd797390c3c94095dcf2c1c3330a1f719efb71f1e8d43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17560",
    "kind": "arxiv",
    "version": 1
  }
}