Pith Number

pith:7TABLFCP

pith:2019:7TABLFCP2GASUUNLRREYNGKEPD

not attested not anchored not stored refs pending

First 20 Years of Green Radios

Ender Ayanoglu, Geoffrey Ye Li, Shugong Xu, Shunqing Zhang

arxiv:1908.07696 v1 · 2019-08-21 · eess.SP · cs.SY · eess.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7TABLFCP2GASUUNLRREYNGKEPD}

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	2026-07-04T23:59:00.477721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcc015944fd1812a51ab8c4986994478e52b20f46e06d93c00c6becdaa18d9cc

Aliases

arxiv: 1908.07696 · arxiv_version: 1908.07696v1 · doi: 10.48550/arxiv.1908.07696 · pith_short_12: 7TABLFCP2GAS · pith_short_16: 7TABLFCP2GASUUNL · pith_short_8: 7TABLFCP

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/7TABLFCP2GASUUNLRREYNGKEPD \
  | 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: fcc015944fd1812a51ab8c4986994478e52b20f46e06d93c00c6becdaa18d9cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c6f854906336362626e94abb677785a047fd55c8fbbb12c970b43c0421dd485",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-08-21T03:42:14Z",
    "title_canon_sha256": "ff042751c9aa733ca0e34b25e54213e30e73e0c7755245183fa5607420e9b64b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.07696",
    "kind": "arxiv",
    "version": 1
  }
}