Pith Number

pith:5WFR3ZSJ

pith:2021:5WFR3ZSJY3AFJZWR6DAU5CUFCK

not attested not anchored not stored refs pending

Underwater Target Recognition based on Multi-Decision LOFAR Spectrum Enhancement: A Deep Learning Approach

Bing Han, Chang Liu, Jian Zhang, Jie Chen, Jie Liu

arxiv:2104.12362 v1 · 2021-04-26 · 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{5WFR3ZSJY3AFJZWR6DAU5CUFCK}

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	2026-07-05T02:34:55.884570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed8b1de649c6c054e6d1f0c14e8a85129c864d003bc8a804213d8129ba507dc2

Aliases

arxiv: 2104.12362 · arxiv_version: 2104.12362v1 · doi: 10.48550/arxiv.2104.12362 · pith_short_12: 5WFR3ZSJY3AF · pith_short_16: 5WFR3ZSJY3AFJZWR · pith_short_8: 5WFR3ZSJ

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/5WFR3ZSJY3AFJZWR6DAU5CUFCK \
  | 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: ed8b1de649c6c054e6d1f0c14e8a85129c864d003bc8a804213d8129ba507dc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f88db97180af6a3a78932282c6ac08ac59dc92fa0c0a0e9b68894134edad815f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-04-26T06:32:32Z",
    "title_canon_sha256": "686576f5dc297f6465ac39c6a52ac3713f1f531a0831bc8aa47f3eee8e77d248"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.12362",
    "kind": "arxiv",
    "version": 1
  }
}