Pith Number

pith:E6VV7P5Z

pith:2019:E6VV7P5Z5ZWTGVU2HDAIDGHIUP

not attested not anchored not stored refs pending

The NEFOCAST System for Detection and Estimation of Rainfall Fields by the Opportunistic Use of Broadcast Satellite Signals

Attilio Vaccaro, Filippo Giannetti, Marco Moretti, Ruggero Reggiannini

arxiv:1907.10462 v1 · 2019-07-24 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E6VV7P5Z5ZWTGVU2HDAIDGHIUP}

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	2026-05-17T23:39:37.865475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27ab5fbfb9ee6d33569a38c08198e8a3e22fafa91a1d7e0ce589a6ff48af57d3

Aliases

arxiv: 1907.10462 · arxiv_version: 1907.10462v1 · doi: 10.48550/arxiv.1907.10462 · pith_short_12: E6VV7P5Z5ZWT · pith_short_16: E6VV7P5Z5ZWTGVU2 · pith_short_8: E6VV7P5Z

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/E6VV7P5Z5ZWTGVU2HDAIDGHIUP \
  | 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: 27ab5fbfb9ee6d33569a38c08198e8a3e22fafa91a1d7e0ce589a6ff48af57d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a4eb9df0eb198f24fad0f890b4ebb5c1cba35dbf1d8925f76429d30e1a6ebc6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-07-24T14:14:33Z",
    "title_canon_sha256": "69fa94ee9ad02d056d6eadbb665e913d503d487aca4e31bc351df046b54543db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.10462",
    "kind": "arxiv",
    "version": 1
  }
}