Pith Number

pith:NUNHHHHM

pith:2018:NUNHHHHMEHHAZTPPASRHZ2ZZ42

not attested not anchored not stored refs pending

Radio bearing of sources with directional antennas in urban environment

Cezary Ziolkowski, Faculty of Electronics, Institute of Telecommunications, Jan M. Kelner (Military University of Technology, Poland), Warsaw

arxiv:1803.07011 v1 · 2018-03-19 · 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{NUNHHHHMEHHAZTPPASRHZ2ZZ42}

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	2026-07-05T10:37:16.619041Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d1a739cec21ce0ccdef04a27ceb39e680b716c4b85966878faf25137563820f

Aliases

arxiv: 1803.07011 · arxiv_version: 1803.07011v1 · doi: 10.48550/arxiv.1803.07011 · pith_short_12: NUNHHHHMEHHA · pith_short_16: NUNHHHHMEHHAZTPP · pith_short_8: NUNHHHHM

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/NUNHHHHMEHHAZTPPASRHZ2ZZ42 \
  | 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: 6d1a739cec21ce0ccdef04a27ceb39e680b716c4b85966878faf25137563820f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31d4d202809a7d6c35b5fd1cc71037ea7f1bd75499322ad92b410e0716dc4a5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-03-19T16:07:53Z",
    "title_canon_sha256": "5fc266a4c4a1965bbbd6b18decc83d263c166ad8680d459b4256f22d21692fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07011",
    "kind": "arxiv",
    "version": 1
  }
}