Pith Number

pith:6Z4EWXCA

pith:2026:6Z4EWXCA5MXNWH5FITHYMYYMVO

not attested not anchored not stored refs pending

EnvShip: A Unified Framework for Context-Aware and Cross-Region Vessel Trajectory Forecasting

Changmao Wu, Chengjing Song, Hao Wang, Jingzheng Yao, Kun Ma, Qilong Han

arxiv:2606.15240 v2 · 2026-06-13 · 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{6Z4EWXCA5MXNWH5FITHYMYYMVO}

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	2026-08-04T02:00:32.822667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6784b5c40eb2edb1fa544cf86630cab9f509087de356b33045b40300504229e

Aliases

arxiv: 2606.15240 · arxiv_version: 2606.15240v2 · doi: 10.48550/arxiv.2606.15240 · pith_short_12: 6Z4EWXCA5MXN · pith_short_16: 6Z4EWXCA5MXNWH5F · pith_short_8: 6Z4EWXCA

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/6Z4EWXCA5MXNWH5FITHYMYYMVO \
  | 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: f6784b5c40eb2edb1fa544cf86630cab9f509087de356b33045b40300504229e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31408562647a30a502101a0eb4b7f0083e8ecd2168371811a4237c2d43b3ea33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-13T10:44:06Z",
    "title_canon_sha256": "5eab2446f770c19d61b7d98db2659a0806ead62eb287c6b95d2c9d7d72761e25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.15240",
    "kind": "arxiv",
    "version": 2
  }
}