Pith Number

pith:PO67KQBN

pith:2026:PO67KQBN22542NR4DWTLCQC633

not attested not anchored not stored refs pending

MoCo-AIS: A Contrastive Learning Framework for Similarity Computation of Vessel Trajectories

Amilcar Soares, Gabriel Spadon, Jos\'e F. Rodrigues-Jr, Md Mahbub Alam, Ruixin Song, Zahra Sadeghi

arxiv:2606.17978 v1 · 2026-06-16 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PO67KQBN22542NR4DWTLCQC633}

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	2026-06-19T16:10:45.031720Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7bbdf5402dd6bbcd363c1da6b1405edee29bcd1bea5e99cbfbef519c727835e8

Aliases

arxiv: 2606.17978 · arxiv_version: 2606.17978v1 · doi: 10.48550/arxiv.2606.17978 · pith_short_12: PO67KQBN2254 · pith_short_16: PO67KQBN22542NR4 · pith_short_8: PO67KQBN

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/PO67KQBN22542NR4DWTLCQC633 \
  | 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: 7bbdf5402dd6bbcd363c1da6b1405edee29bcd1bea5e99cbfbef519c727835e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ee4c1ec1389b78bda2e8ea9e04825cf795745df9f76265b9fe027b5f73a773e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2026-06-16T14:30:09Z",
    "title_canon_sha256": "a062aa9a85ce80a55a422be32fd45b8feaa00c4cef8322b5c98805e858e3ad0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17978",
    "kind": "arxiv",
    "version": 1
  }
}