Pith Number

pith:PFVZCDS3

pith:2025:PFVZCDS3WHKXAOAD26N3C5NBI6

not attested not anchored not stored refs pending

LdT: An indicator of ionospheric activity based on statistical distributions in GNSS-derived TEC rates of change

Biagio Forte, Paul Kinsler

arxiv:2504.06056 v3 · 2025-04-08 · physics.space-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PFVZCDS3WHKXAOAD26N3C5NBI6}

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	2026-06-04T01:08:28.664214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

796b910e5bb1d5703803d79bb175a147967b07efb962906e8a41c7948c1feac7

Aliases

arxiv: 2504.06056 · arxiv_version: 2504.06056v3 · doi: 10.48550/arxiv.2504.06056 · pith_short_12: PFVZCDS3WHKX · pith_short_16: PFVZCDS3WHKXAOAD · pith_short_8: PFVZCDS3

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/PFVZCDS3WHKXAOAD26N3C5NBI6 \
  | 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: 796b910e5bb1d5703803d79bb175a147967b07efb962906e8a41c7948c1feac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9880d553b97e0de63bf4f79dc3a8414019c9a57d986b00fd64640b429dbb259",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.space-ph",
    "submitted_at": "2025-04-08T14:00:14Z",
    "title_canon_sha256": "80c00e67ac8cb406ea739137e2fc351bd196c5abe7fe9b90d88a4a384596d6a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.06056",
    "kind": "arxiv",
    "version": 3
  }
}