Pith Number

pith:FXBRYXL5

pith:2007:FXBRYXL53Y52YKD4XRRIWABNCL

not attested not anchored not stored refs pending

On the Structure of General Mean-Variance Hedging Strategies

Ale\v{s} \v{C}ern\'y, Jan Kallsen

arxiv:0708.1715 v2 · 2007-08-13 · q-fin.PM · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FXBRYXL53Y52YKD4XRRIWABNCL}

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	2026-05-18T00:39:48.608083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2dc31c5d7dde3bac287cbc628b002d12e4de5ea13ab04630b8e154ddb6d1eeaf

Aliases

arxiv: 0708.1715 · arxiv_version: 0708.1715v2 · doi: 10.48550/arxiv.0708.1715 · pith_short_12: FXBRYXL53Y52 · pith_short_16: FXBRYXL53Y52YKD4 · pith_short_8: FXBRYXL5

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/FXBRYXL53Y52YKD4XRRIWABNCL \
  | 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: 2dc31c5d7dde3bac287cbc628b002d12e4de5ea13ab04630b8e154ddb6d1eeaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38ecb6182fb172115b8482f7696d3f1b92b51ad017357eb413115258f279a8af",
    "cross_cats_sorted": [
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2007-08-13T14:16:08Z",
    "title_canon_sha256": "c33811d2fe0ddef56892aa5ae0c214d86ba1ddc704f44ba771ffd64bbe5766ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.1715",
    "kind": "arxiv",
    "version": 2
  }
}