Pith Number

pith:DTMXPVEK

pith:2019:DTMXPVEK3PO6DELBAPPSNC6QCV

not attested not anchored not stored refs pending

The impact of proportional transaction costs on systematically generated portfolios

Johannes Ruf, Kangjianan Xie

arxiv:1904.08925 v1 · 2019-04-11 · q-fin.PM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTMXPVEK3PO6DELBAPPSNC6QCV}

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	2026-05-17T23:48:08.899148Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cd977d48adbdde1916103df268bd01541be5889a2c4b7232631ce93334099e1

Aliases

arxiv: 1904.08925 · arxiv_version: 1904.08925v1 · doi: 10.48550/arxiv.1904.08925 · pith_short_12: DTMXPVEK3PO6 · pith_short_16: DTMXPVEK3PO6DELB · pith_short_8: DTMXPVEK

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/DTMXPVEK3PO6DELBAPPSNC6QCV \
  | 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: 1cd977d48adbdde1916103df268bd01541be5889a2c4b7232631ce93334099e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0c7a1f7c8ee0abbcabbeceb902a49fb618d9ad8016b1d4b98af943c96fdbc0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2019-04-11T13:45:03Z",
    "title_canon_sha256": "38ef41f7d28221bfc198241d9da406bd8172b4c5a1373872958e1f4f12a4454c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08925",
    "kind": "arxiv",
    "version": 1
  }
}