Pith Number

pith:K4LYRSIS

pith:2015:K4LYRSISIEJKTSHK3EC5JYAIY2

not attested not anchored not stored refs pending

A rough-and-ready cluster-based approach for extracting finite-time coherent sets from sparse and incomplete trajectory data

Gary Froyland, Kathrin Padberg-Gehle

arxiv:1505.04583 v2 · 2015-05-18 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K4LYRSISIEJKTSHK3EC5JYAIY2}

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	2026-05-18T01:40:58.124269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

571788c9124112a9c8ead905d4e008c6b7976e8fea02218fb61791f5eac6c803

Aliases

arxiv: 1505.04583 · arxiv_version: 1505.04583v2 · doi: 10.48550/arxiv.1505.04583 · pith_short_12: K4LYRSISIEJK · pith_short_16: K4LYRSISIEJKTSHK · pith_short_8: K4LYRSIS

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/K4LYRSISIEJKTSHK3EC5JYAIY2 \
  | 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: 571788c9124112a9c8ead905d4e008c6b7976e8fea02218fb61791f5eac6c803

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7b45e33aea61e85e1b87b60efbcea5c624fba5f593c1439217486a50e9de64d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-05-18T10:27:03Z",
    "title_canon_sha256": "ba81646937b7917b454e2affc88acf2e89bdcf66789f7ad3e0fb91cd11af8b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.04583",
    "kind": "arxiv",
    "version": 2
  }
}