Pith Number

pith:MAGVS6I2

pith:2016:MAGVS6I2TRHRLXUKTHFVAVMGDU

not attested not anchored not stored refs pending

On an Optimal Extraction Problem with Regime Switching

Giorgio Ferrari, Shuzhen Yang

arxiv:1602.06765 v4 · 2016-02-22 · math.OC · q-fin.MF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAGVS6I2TRHRLXUKTHFVAVMGDU}

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	2026-05-18T00:27:10.156538Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

600d59791a9c4f15de8a99cb5055861d257e9e2683ea6a236aa6774be37c2088

Aliases

arxiv: 1602.06765 · arxiv_version: 1602.06765v4 · doi: 10.48550/arxiv.1602.06765 · pith_short_12: MAGVS6I2TRHR · pith_short_16: MAGVS6I2TRHRLXUK · pith_short_8: MAGVS6I2

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/MAGVS6I2TRHRLXUKTHFVAVMGDU \
  | 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: 600d59791a9c4f15de8a99cb5055861d257e9e2683ea6a236aa6774be37c2088

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91b05bd3035bfaca3c4834e19d3550df0da840b0f55783a795d0ed4545c6cd85",
    "cross_cats_sorted": [
      "q-fin.MF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-02-22T13:25:17Z",
    "title_canon_sha256": "2e587cb372d14088ecdc6864cd9f2b3d1632ad6c8a60cd02deec49b7ed390936"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.06765",
    "kind": "arxiv",
    "version": 4
  }
}