Pith Number

pith:XRO3IA4N

pith:2018:XRO3IA4NS75Y3P6QVCJHZGKEGN

not attested not anchored not stored refs pending

Indexed Markov Chains for financial data: testing for the number of states of the index process

Ada Lika, Filippo Petroni, Guglielmo D'Amico

arxiv:1802.01540 v1 · 2018-02-05 · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XRO3IA4NS75Y3P6QVCJHZGKEGN}

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	2026-05-18T00:24:25.615582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc5db4038d97fb8dbfd0a8927c99443360574145ae8314c8f6b4d9b21b995c7e

Aliases

arxiv: 1802.01540 · arxiv_version: 1802.01540v1 · doi: 10.48550/arxiv.1802.01540 · pith_short_12: XRO3IA4NS75Y · pith_short_16: XRO3IA4NS75Y3P6Q · pith_short_8: XRO3IA4N

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/XRO3IA4NS75Y3P6QVCJHZGKEGN \
  | 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: bc5db4038d97fb8dbfd0a8927c99443360574145ae8314c8f6b4d9b21b995c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87166f353b02dde7b36713b3bc4a3228cc852b7d8d89797c6699d61546c6f556",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2018-02-05T18:09:00Z",
    "title_canon_sha256": "0bae8d84c9aeab617d8268a7e3ca5afbc2a9e71ec357c7b07bf8e2e7321f6622"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01540",
    "kind": "arxiv",
    "version": 1
  }
}