Pith Number

pith:4ZBZQGTA

pith:2015:4ZBZQGTAW34BR67JGYOOEWNZVM

not attested not anchored not stored refs pending

Gold, currencies and market efficiency

Ladislav Kristoufek, Miloslav Vosvrda

arxiv:1510.08615 v1 · 2015-10-29 · q-fin.ST · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4ZBZQGTAW34BR67JGYOOEWNZVM}

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	2026-05-18T00:02:13.905062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e643981a60b6f818fbe9361ce259b9ab2745fb7305c92b69877c3e7544292bd4

Aliases

arxiv: 1510.08615 · arxiv_version: 1510.08615v1 · doi: 10.48550/arxiv.1510.08615 · pith_short_12: 4ZBZQGTAW34B · pith_short_16: 4ZBZQGTAW34BR67J · pith_short_8: 4ZBZQGTA

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/4ZBZQGTAW34BR67JGYOOEWNZVM \
  | 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: e643981a60b6f818fbe9361ce259b9ab2745fb7305c92b69877c3e7544292bd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdb71d97eee11d6dfc0d839593ecfda1e60dfcfde72d4b7b63710edb25629f6d",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2015-10-29T09:46:05Z",
    "title_canon_sha256": "005eddf4c02caf074fb1b4a7bb936dab782a877f4fca11f16e6040815b076a5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08615",
    "kind": "arxiv",
    "version": 1
  }
}