Pith Number

pith:HRPVUG3X

pith:2026:HRPVUG3XDD6SQW7LG4RLPQMDQE

not attested not anchored not stored refs pending

STCAD: Scalable Trajectory Clustering and Anomaly Detection on Terabyte-Scale AIS Data

Alexander Schi{\o}tz, Bertram Hage, Christian Rand, Felix Thomsen, Peder Heiselberg

arxiv:2608.10249 v1 · 2026-08-10 · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRPVUG3XDD6SQW7LG4RLPQMDQE}

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	2026-08-12T00:23:10.804943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c5f5a1b7718fd285beb3722b7c18381130733212ba64ce68684679418495640

Aliases

arxiv: 2608.10249 · arxiv_version: 2608.10249v1 · doi: 10.48550/arxiv.2608.10249 · pith_short_12: HRPVUG3XDD6S · pith_short_16: HRPVUG3XDD6SQW7L · pith_short_8: HRPVUG3X

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/HRPVUG3XDD6SQW7LG4RLPQMDQE \
  | 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: 3c5f5a1b7718fd285beb3722b7c18381130733212ba64ce68684679418495640

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "41abe3c2aa09945f9f93aebbe9166da3d8eba5ad325a26fd886f05849732b9c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-08-10T21:32:42Z",
    "title_canon_sha256": "56baada52d9f92c73dfc33f01bca0859f966c1d1c3a5b92e2ea76b120c66a1d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.10249",
    "kind": "arxiv",
    "version": 1
  }
}