Pith Number

pith:WKAL5QRY

pith:2017:WKAL5QRYK57K4UTEWNSBXCBDRB

not attested not anchored not stored refs pending

Topological Data Analysis of Financial Time Series: Landscapes of Crashes

Marian Gidea, Yuri Katz

arxiv:1703.04385 v2 · 2017-03-13 · q-fin.MF · math.DS · physics.soc-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKAL5QRYK57K4UTEWNSBXCBDRB}

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	2026-05-18T00:30:05.351252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b280bec238577eae5264b3641b882388697178887575701f2dec7a89dcb8097a

Aliases

arxiv: 1703.04385 · arxiv_version: 1703.04385v2 · doi: 10.48550/arxiv.1703.04385 · pith_short_12: WKAL5QRYK57K · pith_short_16: WKAL5QRYK57K4UTE · pith_short_8: WKAL5QRY

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/WKAL5QRYK57K4UTEWNSBXCBDRB \
  | 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: b280bec238577eae5264b3641b882388697178887575701f2dec7a89dcb8097a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77f853eb750c794f0fe4c8b2ae83b1e67aca89f0e4afdfca8419cfff3ab73a12",
    "cross_cats_sorted": [
      "math.DS",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2017-03-13T13:37:31Z",
    "title_canon_sha256": "b1a66af472e22729c7c1cfca485aa63267a64c8cd790b66fc8e0bcdb718956be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.04385",
    "kind": "arxiv",
    "version": 2
  }
}