Pith Number

pith:PYWJNH3F

pith:2013:PYWJNH3F44GK6UGEVR25RHNL3O

not attested not anchored not stored refs pending

Making Mean-Variance Hedging Implementable in a Partially Observable Market

Akihiko Takahashi, Masaaki Fujii

arxiv:1306.3359 v4 · 2013-06-14 · q-fin.CP · 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{PYWJNH3F44GK6UGEVR25RHNL3O}

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	2026-05-18T03:06:21.994863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e2c969f65e70caf50c4ac75d89dabdb8b649699150ef4197bbf82e4efff6f46

Aliases

arxiv: 1306.3359 · arxiv_version: 1306.3359v4 · doi: 10.48550/arxiv.1306.3359 · pith_short_12: PYWJNH3F44GK · pith_short_16: PYWJNH3F44GK6UGE · pith_short_8: PYWJNH3F

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/PYWJNH3F44GK6UGEVR25RHNL3O \
  | 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: 7e2c969f65e70caf50c4ac75d89dabdb8b649699150ef4197bbf82e4efff6f46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "86ebc68d87396207b4dade488d2947935f31ae80dc1a8ed239bb3b73b823b04c",
    "cross_cats_sorted": [
      "q-fin.PM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.CP",
    "submitted_at": "2013-06-14T11:09:23Z",
    "title_canon_sha256": "50bca8bb4b82822a57ebb101d3f219b861d57052c194980204046ea96ece1db0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.3359",
    "kind": "arxiv",
    "version": 4
  }
}