Pith Number

pith:KV4TGDR2

pith:2025:KV4TGDR2E5U7GM4OWWGAOK44YY

not attested not anchored not stored refs pending

The PHD/CPHD filter for Multiple Extended Target Tracking with Trajectory Set Theory and Explicit Shape Estimation

Fu Jie, Tat-Soon Yeo, Wei Zhang, Yuanhao Cheng, Yunhe Cao

arxiv:2504.15040 v2 · 2025-04-21 · 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{KV4TGDR2E5U7GM4OWWGAOK44YY}

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	2026-07-05T11:06:55.742150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5579330e3a2769f3338eb58c072b9cc628b5c0d4e7a0db021a5a8e5f25e3bac7

Aliases

arxiv: 2504.15040 · arxiv_version: 2504.15040v2 · doi: 10.48550/arxiv.2504.15040 · pith_short_12: KV4TGDR2E5U7 · pith_short_16: KV4TGDR2E5U7GM4O · pith_short_8: KV4TGDR2

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/KV4TGDR2E5U7GM4OWWGAOK44YY \
  | 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: 5579330e3a2769f3338eb58c072b9cc628b5c0d4e7a0db021a5a8e5f25e3bac7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb0b3665d2ea4ff87ed04dcf24589aa0af4d792a37051237e6a79e9281033e72",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-04-21T11:49:22Z",
    "title_canon_sha256": "b953441ecde8653695b0b254959c2ec52c0ccd154182a2957e2998027efa9e6d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15040",
    "kind": "arxiv",
    "version": 2
  }
}