Pith Number

pith:U6MVZXYP

pith:2012:U6MVZXYPRD3VJK5CJDP4B6YSCI

not attested not anchored not stored refs pending

Testing the weak-form efficiency of the WTI crude oil futures market

Wei-Xing Zhou (ECUST), Wen-Jie Xie (ECUST), Zhi-Qiang Jiang (ECUST)

arxiv:1211.4686 v1 · 2012-11-20 · 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{U6MVZXYPRD3VJK5CJDP4B6YSCI}

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	2026-05-18T02:55:11.513559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7995cdf0f88f754aba248dfc0fb12122edec80db9e985d5c21bbbedc919259f

Aliases

arxiv: 1211.4686 · arxiv_version: 1211.4686v1 · doi: 10.48550/arxiv.1211.4686 · pith_short_12: U6MVZXYPRD3V · pith_short_16: U6MVZXYPRD3VJK5C · pith_short_8: U6MVZXYP

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/U6MVZXYPRD3VJK5CJDP4B6YSCI \
  | 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: a7995cdf0f88f754aba248dfc0fb12122edec80db9e985d5c21bbbedc919259f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a4e9e1570e185859e58f0889b5e2335b5696aae66ffa00b9c32abd562fb7664",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2012-11-20T08:37:44Z",
    "title_canon_sha256": "8d6556d309e7f7dcc52853c181345f891facb74ccf0d29258570688bfb884ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.4686",
    "kind": "arxiv",
    "version": 1
  }
}