Pith Number

pith:CWSPPKZJ

pith:2016:CWSPPKZJPGM7WEBVVV4SSJVKAU

not attested not anchored not stored refs pending

Consistency of option prices under bid-ask spreads

I. Cetin G\"ul\"um, Stefan Gerhold

arxiv:1608.05585 v2 · 2016-08-19 · 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{CWSPPKZJPGM7WEBVVV4SSJVKAU}

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	2026-05-17T23:40:36.875477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15a4f7ab297999fb1035ad792926aa051e7ed1af2283d6375d2e5d8e9bec54e3

Aliases

arxiv: 1608.05585 · arxiv_version: 1608.05585v2 · doi: 10.48550/arxiv.1608.05585 · pith_short_12: CWSPPKZJPGM7 · pith_short_16: CWSPPKZJPGM7WEBV · pith_short_8: CWSPPKZJ

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/CWSPPKZJPGM7WEBVVV4SSJVKAU \
  | 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: 15a4f7ab297999fb1035ad792926aa051e7ed1af2283d6375d2e5d8e9bec54e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae14e372c8fe0abc2ebb3133dec94cbfc2f0e0649506fe4ef8086d1c621b9748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2016-08-19T12:46:21Z",
    "title_canon_sha256": "89d115d50097ece60fc739799dbd2edcb02b3e72cc975b45fe7e2d2bc694866c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05585",
    "kind": "arxiv",
    "version": 2
  }
}