Pith Number

pith:4ZGIZZDC

pith:2023:4ZGIZZDCNYZPDMIWZZ43LPYSLL

not attested not anchored not stored refs pending

Analyzing Astronomical Data with Machine Learning Techniques

Mohammad H. Zhoolideh Haghighi

arxiv:2302.11573 v1 · 2023-02-22 · astro-ph.IM · astro-ph.SR · physics.comp-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZGIZZDCNYZPDMIWZZ43LPYSLL}

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	2026-07-05T05:44:53.890755Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e64c8ce4626e32f1b116ce79b5bf125af170a3b88bb595e793c051d1bfb0f45e

Aliases

arxiv: 2302.11573 · arxiv_version: 2302.11573v1 · doi: 10.48550/arxiv.2302.11573 · pith_short_12: 4ZGIZZDCNYZP · pith_short_16: 4ZGIZZDCNYZPDMIW · pith_short_8: 4ZGIZZDC

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/4ZGIZZDCNYZPDMIWZZ43LPYSLL \
  | 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: e64c8ce4626e32f1b116ce79b5bf125af170a3b88bb595e793c051d1bfb0f45e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e27a70aa1a4922588f913ae76d6c216888deff373d068564cfef966c077a69",
    "cross_cats_sorted": [
      "astro-ph.SR",
      "physics.comp-ph",
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2023-02-22T11:15:31Z",
    "title_canon_sha256": "bcc6695ee74d0c9134127ec555c8c0c6d0b3d3fb7d5106b218233d6db6d9fb71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.11573",
    "kind": "arxiv",
    "version": 1
  }
}