Pith Number

pith:XSRI3SPS

pith:2017:XSRI3SPSZVHFL66CSBQQ53IRF6

not attested not anchored not stored refs pending

A Numerical Scheme for A Singular control problem: Investment-Consumption Under Proportional Transaction Costs

Arash Fahim, Wan-Yu Tsai

arxiv:1711.01017 v1 · 2017-11-03 · q-fin.PM · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XSRI3SPSZVHFL66CSBQQ53IRF6}

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	2026-05-18T00:31:24.267057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bca28dc9f2cd4e55fbc290610eed112fa32404dbc32fe75c56eccd247b520205

Aliases

arxiv: 1711.01017 · arxiv_version: 1711.01017v1 · doi: 10.48550/arxiv.1711.01017 · pith_short_12: XSRI3SPSZVHF · pith_short_16: XSRI3SPSZVHFL66C · pith_short_8: XSRI3SPS

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/XSRI3SPSZVHFL66CSBQQ53IRF6 \
  | 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: bca28dc9f2cd4e55fbc290610eed112fa32404dbc32fe75c56eccd247b520205

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30c78ec1a2fb3234316485089fdd12f13635143c3ab50332f55b8158c12b4f0c",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2017-11-03T03:54:18Z",
    "title_canon_sha256": "09d1bbccb5a71ce27c8d4499f89efe8d0dd0a9220e10e5e9ddbad3af50a9f395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.01017",
    "kind": "arxiv",
    "version": 1
  }
}