Pith Number

pith:W2WHF4GM

pith:2022:W2WHF4GMLKVEINUIAIG3LLMTW3

not attested not anchored not stored refs pending

A study of natural frequencies in a dynamic corona-disk system

A. Mastichiadis, M. Petropoulou, N. D. Kylafis

arxiv:2204.14139 v2 · 2022-04-29 · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2WHF4GMLKVEINUIAIG3LLMTW3}

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	2026-07-05T04:35:47.932666Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6ac72f0cc5aaa443688020db5ad93b6c995bcb3bd05a2627f6cad21dca01da4

Aliases

arxiv: 2204.14139 · arxiv_version: 2204.14139v2 · doi: 10.48550/arxiv.2204.14139 · pith_short_12: W2WHF4GMLKVE · pith_short_16: W2WHF4GMLKVEINUI · pith_short_8: W2WHF4GM

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/W2WHF4GMLKVEINUIAIG3LLMTW3 \
  | 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: b6ac72f0cc5aaa443688020db5ad93b6c995bcb3bd05a2627f6cad21dca01da4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87e3bde29569bb3c22a83bfdc28b7a5ae1f982dfc0482f22fde700afea5ae139",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2022-04-29T14:55:08Z",
    "title_canon_sha256": "0f438310ce4b2df59ed65e4f863443ec824be4db05a9782b5d4b7ddd7259b486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.14139",
    "kind": "arxiv",
    "version": 2
  }
}