Pith Number

pith:SA3LKGJ7

pith:2017:SA3LKGJ7MEIF5IFSQUPOZH2H73

not attested not anchored not stored refs pending

Foreign exchange market modelling and an on-line portfolio selection algorithm

Jiang-Lun Wu, Panpan Ren

arxiv:1707.00203 v1 · 2017-07-01 · 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{SA3LKGJ7MEIF5IFSQUPOZH2H73}

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	2026-05-18T00:41:04.168716Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9036b5193f61105ea0b2851eec9f47fef9f6c8782f249e68c39f92a2dd761475

Aliases

arxiv: 1707.00203 · arxiv_version: 1707.00203v1 · doi: 10.48550/arxiv.1707.00203 · pith_short_12: SA3LKGJ7MEIF · pith_short_16: SA3LKGJ7MEIF5IFS · pith_short_8: SA3LKGJ7

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/SA3LKGJ7MEIF5IFSQUPOZH2H73 \
  | 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: 9036b5193f61105ea0b2851eec9f47fef9f6c8782f249e68c39f92a2dd761475

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f85dfcc3e0f717314dad6b04720278b1ab51de8d217787f7762eb8c0383eb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2017-07-01T20:59:07Z",
    "title_canon_sha256": "8ac5ba0ce91b3bca2b99c226d22cc935bf260b5b18d561dee3d651ae6ad587cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00203",
    "kind": "arxiv",
    "version": 1
  }
}