Pith Number

pith:HAQJD4W4

pith:2025:HAQJD4W4W5HQFQORMKEDL4LG4L

not attested not anchored not stored refs pending

Stone Soup: ADS-B-based Multi-Target Tracking with Stochastic Integration Filter

Erik Blasch, Jakub Matousek, Jindrich Dunik, John Hiles, Ondrej Straka, Ruixin Niu

arxiv:2506.07889 v2 · 2025-06-09 · 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{HAQJD4W4W5HQFQORMKEDL4LG4L}

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	2026-07-05T11:19:08.440441Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

382091f2dcb74f02c1d1628835f166e2fe2709b182fb49bf4648bbc5bddad0fd

Aliases

arxiv: 2506.07889 · arxiv_version: 2506.07889v2 · doi: 10.48550/arxiv.2506.07889 · pith_short_12: HAQJD4W4W5HQ · pith_short_16: HAQJD4W4W5HQFQOR · pith_short_8: HAQJD4W4

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/HAQJD4W4W5HQFQORMKEDL4LG4L \
  | 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: 382091f2dcb74f02c1d1628835f166e2fe2709b182fb49bf4648bbc5bddad0fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a74092afa24911ac327ea604951d837169a575e88ea868ead108fcf9a19e7eea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-06-09T16:01:47Z",
    "title_canon_sha256": "f83158e9b81285fe4d7a06c93fd8eaa1c5f27b6dbb37f43e9f176ec1c8075c73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.07889",
    "kind": "arxiv",
    "version": 2
  }
}