Pith Number

pith:L4PMZ2PJ

pith:2018:L4PMZ2PJ24M3U6DAZROS6R536V

not attested not anchored not stored refs pending

On the complexity of solving a decision problem with flow-depending costs: the case of the IJsselmeer dikes

Aida Abiad, Domenico Lahaye, Gerard Verweij, Guus Regts, Lluis Vena, Matthias Mnich, Peter Zwaneveld, Sander Gribling

arxiv:1804.09752 v1 · 2018-04-25 · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L4PMZ2PJ24M3U6DAZROS6R536V}

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	2026-05-18T00:17:30.190073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f1ecce9e9d719ba7860cc5d2f47bbf562b58e8c8641f141da3baa930a21fee3

Aliases

arxiv: 1804.09752 · arxiv_version: 1804.09752v1 · doi: 10.48550/arxiv.1804.09752 · pith_short_12: L4PMZ2PJ24M3 · pith_short_16: L4PMZ2PJ24M3U6DA · pith_short_8: L4PMZ2PJ

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/L4PMZ2PJ24M3U6DAZROS6R536V \
  | 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: 5f1ecce9e9d719ba7860cc5d2f47bbf562b58e8c8641f141da3baa930a21fee3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44fe6b1032573bde1d852b91f389b06ea9f483e0d1fa3ebeced5b6181906349a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.RM",
    "submitted_at": "2018-04-25T18:51:05Z",
    "title_canon_sha256": "56b1770c97723f4c8bff54387606aa23d3f16008f6ad769aa0b7cdabeb0b753b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09752",
    "kind": "arxiv",
    "version": 1
  }
}