Pith Number

pith:Z7SPDT62

pith:2013:Z7SPDT62IPCF76DXMWD6SS6NAK

not attested not anchored not stored refs pending

Optimal investment and price dependence in a semi-static market

Pietro Siorpaes

arxiv:1303.0237 v2 · 2013-03-01 · 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{Z7SPDT62IPCF76DXMWD6SS6NAK}

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	2026-05-18T03:11:09.364944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfe4f1cfda43c45ff8776587e94bcd02a49580901f8efb0ff0dfb7a9d4183085

Aliases

arxiv: 1303.0237 · arxiv_version: 1303.0237v2 · doi: 10.48550/arxiv.1303.0237 · pith_short_12: Z7SPDT62IPCF · pith_short_16: Z7SPDT62IPCF76DX · pith_short_8: Z7SPDT62

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/Z7SPDT62IPCF76DXMWD6SS6NAK \
  | 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: cfe4f1cfda43c45ff8776587e94bcd02a49580901f8efb0ff0dfb7a9d4183085

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cb4fe1363472b49cb2d9014ced8917e8fb3b0154815c28cb7b3afadf1084645",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PM",
    "submitted_at": "2013-03-01T18:00:40Z",
    "title_canon_sha256": "0900635ed9cda6b023c5a51f8e5f9d2e60bca469478c80f23896291b2205ac2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.0237",
    "kind": "arxiv",
    "version": 2
  }
}