Pith Number

pith:HBFT4AT4

pith:2015:HBFT4AT4GBAQSM2HUAPWWHY5AP

not attested not anchored not stored refs pending

A proposal of a methodological framework with experimental guidelines to investigate clustering stability on financial time series

Frank Nielsen, Gautier Marti, Philippe Donnat, Philippe Very

arxiv:1509.05475 v1 · 2015-09-17 · q-fin.ST · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBFT4AT4GBAQSM2HUAPWWHY5AP}

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	2026-05-18T01:32:43.090253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

384b3e027c3041093347a01f6b1f1d03d8be752feebc6a076c4c9bbb93c0600c

Aliases

arxiv: 1509.05475 · arxiv_version: 1509.05475v1 · doi: 10.48550/arxiv.1509.05475 · pith_short_12: HBFT4AT4GBAQ · pith_short_16: HBFT4AT4GBAQSM2H · pith_short_8: HBFT4AT4

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/HBFT4AT4GBAQSM2HUAPWWHY5AP \
  | 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: 384b3e027c3041093347a01f6b1f1d03d8be752feebc6a076c4c9bbb93c0600c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6e20ccbef60f807084fe982b20deb65604a1f7f3a6357b0e97bc14837a9edf7",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2015-09-17T23:40:34Z",
    "title_canon_sha256": "bd400e67b310e2b7a8d39929f1e3f7197405f33bf760ceb63483d8381a829ce1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.05475",
    "kind": "arxiv",
    "version": 1
  }
}