Pith Number

pith:JA4OIATS

pith:2025:JA4OIATSIKGGJFEUYBQECZIE2B

not attested not anchored not stored refs pending

Method for Determining the Parameters of a Ring-like Structure from the Visibility Function Shape

A. G. Rudnitskiy, I. I. Bulygin, M. A. Shchurov, S. V. Chernov

arxiv:2502.03026 v1 · 2025-02-05 · 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{JA4OIATSIKGGJFEUYBQECZIE2B}

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	2026-07-05T10:09:58.457842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4838e40272428c649494c060416504d0604252c471444111dad8187fae5123c4

Aliases

arxiv: 2502.03026 · arxiv_version: 2502.03026v1 · doi: 10.48550/arxiv.2502.03026 · pith_short_12: JA4OIATSIKGG · pith_short_16: JA4OIATSIKGGJFEU · pith_short_8: JA4OIATS

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/JA4OIATSIKGGJFEUYBQECZIE2B \
  | 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: 4838e40272428c649494c060416504d0604252c471444111dad8187fae5123c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28a88e4a1c61b7895b412f0d20020d6579f02bae83596cb91f61e40cc8d79a9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2025-02-05T09:30:51Z",
    "title_canon_sha256": "a1e5f84a90678748283013f56c5cedcb65df83d286ae9daf2294c158eddcd621"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.03026",
    "kind": "arxiv",
    "version": 1
  }
}