Pith Number

pith:FOD6ITGV

pith:2018:FOD6ITGVSA7PQC3Q36IUQHPVWU

not attested not anchored not stored refs pending

On the Impact of Unknown Signals in Passive Radar with Direct Path and Reflected Path Observations

Rick S. Blum, Yicheng Chen

arxiv:1805.01533 v1 · 2018-05-03 · 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{FOD6ITGVSA7PQC3Q36IUQHPVWU}

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	2026-05-18T00:16:49.718876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b87e44cd5903ef80b70df91481df5b53125244352492d2589964f1c2c7cc032

Aliases

arxiv: 1805.01533 · arxiv_version: 1805.01533v1 · doi: 10.48550/arxiv.1805.01533 · pith_short_12: FOD6ITGVSA7P · pith_short_16: FOD6ITGVSA7PQC3Q · pith_short_8: FOD6ITGV

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/FOD6ITGVSA7PQC3Q36IUQHPVWU \
  | 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: 2b87e44cd5903ef80b70df91481df5b53125244352492d2589964f1c2c7cc032

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ffa748d05834615713cc8678fb952a5e72de4776c58712b75c3558d4aa38b5b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-05-03T20:57:59Z",
    "title_canon_sha256": "7e079ea01f37c3160aeaf0e48fe6a461e3a6cbfc1ac565b2e1d486ade7dfa079"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.01533",
    "kind": "arxiv",
    "version": 1
  }
}