pith. sign in
Pith Number

pith:HXRX3GQP

pith:2012:HXRX3GQPIZH5IGKE5CLLD34MQ7
not attested not anchored not stored refs pending

The Evolution of Stock Market Efficiency in the US: A Non-Bayesian Time-Varying Model Approach

Akihiko Noda, Mikio Ito, Tatsuma Wada

arxiv:1202.0100 v13 · 2012-02-01 · q-fin.ST

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HXRX3GQPIZH5IGKE5CLLD34MQ7}

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 2026-05-18T01:02:14.504573Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3de37d9a0f464fd41944e896b1ef8c87c0139ab1a4f8dc27031f72a48448804f

Aliases

arxiv: 1202.0100 · arxiv_version: 1202.0100v13 · doi: 10.48550/arxiv.1202.0100 · pith_short_12: HXRX3GQPIZH5 · pith_short_16: HXRX3GQPIZH5IGKE · pith_short_8: HXRX3GQP
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HXRX3GQPIZH5IGKE5CLLD34MQ7 \
  | 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: 3de37d9a0f464fd41944e896b1ef8c87c0139ab1a4f8dc27031f72a48448804f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "716e69050c7cc5d249ebfa11697889741041ab3d9e76573738edf023c5f2e146",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2012-02-01T05:33:20Z",
    "title_canon_sha256": "3137ffa6c5eaae23023bde74fa1bad59609a04ed6f9cf87c2b96d23290409b03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0100",
    "kind": "arxiv",
    "version": 13
  }
}