Pith Number

pith:V66QIREP

pith:2015:V66QIREPRHD5FN4IADBUUOC6RR

not attested not anchored not stored refs pending

Radio Frequency Propagation Model and Fading of Wireless Signal at 2.4 GHz in Underground Coal Mine

Ashutosh Patri, Devidas S. Nimaje

arxiv:1501.05802 v1 · 2015-01-23 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V66QIREPRHD5FN4IADBUUOC6RR}

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	2026-05-18T02:28:48.942589Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afbd04448f89c7d2b78800c34a385e8c57382c439b820a11ee80ed179126c740

Aliases

arxiv: 1501.05802 · arxiv_version: 1501.05802v1 · doi: 10.48550/arxiv.1501.05802 · pith_short_12: V66QIREPRHD5 · pith_short_16: V66QIREPRHD5FN4I · pith_short_8: V66QIREP

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/V66QIREPRHD5FN4IADBUUOC6RR \
  | 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: afbd04448f89c7d2b78800c34a385e8c57382c439b820a11ee80ed179126c740

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "598f579846d1636ae11b2b711db5ef7cd7bda9f25b8fb7a4d40389c75ad7ab20",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-01-23T13:58:02Z",
    "title_canon_sha256": "584c1c33bc2c5d09a1070e302fd585f45afe7d28b9759ab1579e1ade79adebd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.05802",
    "kind": "arxiv",
    "version": 1
  }
}