Pith Number

pith:VR5KDY5M

pith:2018:VR5KDY5M7NMXHXLTJBW4W5LL2P

not attested not anchored not stored refs pending

The Sea Exploration Problem: Data-driven Orienteering on a Continuous Surface

Alpar Vajk Kramer, Jo\~ao Pedro Pedroso, Ke Zhang

arxiv:1802.01482 v2 · 2018-02-05 · 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{VR5KDY5M7NMXHXLTJBW4W5LL2P}

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	2026-05-17T23:49:17.802285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac7aa1e3acfb5973dd73486dcb756bd3e73e82c277e5fcc7d404bef6bf155930

Aliases

arxiv: 1802.01482 · arxiv_version: 1802.01482v2 · doi: 10.48550/arxiv.1802.01482 · pith_short_12: VR5KDY5M7NMX · pith_short_16: VR5KDY5M7NMXHXLT · pith_short_8: VR5KDY5M

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/VR5KDY5M7NMXHXLTJBW4W5LL2P \
  | 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: ac7aa1e3acfb5973dd73486dcb756bd3e73e82c277e5fcc7d404bef6bf155930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d9eefe2aab70556da12cdf908e72a6c3b838d23cb52562b5d90d6518045c31b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-02-05T15:57:15Z",
    "title_canon_sha256": "f96c7c34820d74f36a1197470742be3efd50d012015e0414064b89c1f870ae4e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01482",
    "kind": "arxiv",
    "version": 2
  }
}