Pith Number

pith:AFBWEZJG

pith:2018:AFBWEZJGTW3M3UEC6JTUOZ6QSC

not attested not anchored not stored refs pending

Tropospheric delay in microwave propagation in Nigeria

2), (2) Elizade University, Federal University of Technology Akure, Ibiyinka Fuwape (1) ((1) Department of Physics, Ilara Mokin, Joseph Dada (1, Nigeria), Ondo State, Samuel Ogunjo (1), Sunday Oluyamo (1)

arxiv:1811.12055 v1 · 2018-11-29 · physics.ao-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{AFBWEZJGTW3M3UEC6JTUOZ6QSC}

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	2026-05-17T23:59:34.596897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01436265269db6cdd082f2674767d0908859977adc0ebe3c0c26e9556955b210

Aliases

arxiv: 1811.12055 · arxiv_version: 1811.12055v1 · doi: 10.48550/arxiv.1811.12055 · pith_short_12: AFBWEZJGTW3M · pith_short_16: AFBWEZJGTW3M3UEC · pith_short_8: AFBWEZJG

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/AFBWEZJGTW3M3UEC6JTUOZ6QSC \
  | 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: 01436265269db6cdd082f2674767d0908859977adc0ebe3c0c26e9556955b210

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e31911f3d01dea2d7424980edfea751c0a2a2b71f58512c8e7d5e91b882ebaab",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "physics.ao-ph",
    "submitted_at": "2018-11-29T10:40:52Z",
    "title_canon_sha256": "26761884d38843b0c4474bc7e0e2ed686d66fca2655d580f5ce26615d6ecc3ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.12055",
    "kind": "arxiv",
    "version": 1
  }
}