Pith Number

pith:NRWERC43

pith:2013:NRWERC43EFQNYTSKFALJP7ZA7B

not attested not anchored not stored refs pending

Commodity futures and market efficiency

Ladislav Kristoufek, Miloslav Vosvrda

arxiv:1309.1492 v1 · 2013-09-05 · 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{NRWERC43EFQNYTSKFALJP7ZA7B}

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	2026-05-18T03:13:59.332782Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c6c488b9b2160dc4e4a281697ff20f87bf92ce5ebb954e129721a237a3738b0

Aliases

arxiv: 1309.1492 · arxiv_version: 1309.1492v1 · doi: 10.48550/arxiv.1309.1492 · pith_short_12: NRWERC43EFQN · pith_short_16: NRWERC43EFQNYTSK · pith_short_8: NRWERC43

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/NRWERC43EFQNYTSKFALJP7ZA7B \
  | 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: 6c6c488b9b2160dc4e4a281697ff20f87bf92ce5ebb954e129721a237a3738b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0e6cccd0c645535c17587e3f35789d70a969e6b3e1eecf20ea9e35fae374156",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2013-09-05T21:24:17Z",
    "title_canon_sha256": "294c1ab8e7173c0c3bbd701a6c9cca2851a2c6c5dcad30448d4d4675f7b7e69e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1492",
    "kind": "arxiv",
    "version": 1
  }
}