Pith Number

pith:NDEP5JFO

pith:2020:NDEP5JFOK62HVQOKPCGJ7WKWFN

not attested not anchored not stored refs pending

GPU-Accelerated Compression and Visualization of Large-Scale Vessel Trajectories in Maritime IoT Industries

Ryan Wen Liu, Yan Li, Yu Huang, Zhaofeng Zhang

arxiv:2004.13653 v1 · 2020-04-19 · eess.SP · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDEP5JFOK62HVQOKPCGJ7WKWFN}

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	2026-07-05T00:59:01.600196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c8fea4ae57b47ac1ca788c9fd9562b518e66a267d0cc52323fb9ce7df62610

Aliases

arxiv: 2004.13653 · arxiv_version: 2004.13653v1 · doi: 10.48550/arxiv.2004.13653 · pith_short_12: NDEP5JFOK62H · pith_short_16: NDEP5JFOK62HVQOK · pith_short_8: NDEP5JFO

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/NDEP5JFOK62HVQOKPCGJ7WKWFN \
  | 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: 68c8fea4ae57b47ac1ca788c9fd9562b518e66a267d0cc52323fb9ce7df62610

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79209e92047a126ccc3cfc9dd20d37d213cd49fb9fc4904cefffac397980ae9f",
    "cross_cats_sorted": [
      "cs.DC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-04-19T16:34:49Z",
    "title_canon_sha256": "4f682ea1a42f98890b95bd35238689ab29cc6904e9c50b3846ddca439f5af690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.13653",
    "kind": "arxiv",
    "version": 1
  }
}