Pith Number

pith:KQFEIYRT

pith:2011:KQFEIYRTGPMWL6NAPBDVBI466H

not attested not anchored not stored refs pending

Probability-free pricing of adjusted American lookbacks

Alexander Shen, A. Philip Dawid, Glenn Shafer, Nikolai Vereshchagin, Peter Grunwald, Steven de Rooij, Vladimir Vovk, Wouter M. Koolen

arxiv:1108.4113 v1 · 2011-08-20 · q-fin.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{KQFEIYRTGPMWL6NAPBDVBI466H}

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	2026-05-18T04:14:56.115812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

540a44623333d965f9a0784750a39ef1fa2becd7b49c8776e1aef80787909bf3

Aliases

arxiv: 1108.4113 · arxiv_version: 1108.4113v1 · doi: 10.48550/arxiv.1108.4113 · pith_short_12: KQFEIYRTGPMW · pith_short_16: KQFEIYRTGPMWL6NA · pith_short_8: KQFEIYRT

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/KQFEIYRTGPMWL6NAPBDVBI466H \
  | 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: 540a44623333d965f9a0784750a39ef1fa2becd7b49c8776e1aef80787909bf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d112cace872cdd444614a3d1d64dd61c47e36f8301eeb0d4fdd28f7edc88a889",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2011-08-20T11:47:15Z",
    "title_canon_sha256": "e41ebb8c3dec6a185d29565ec561e24f03f78c7fe5ce42d1f6ace120e180f529"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4113",
    "kind": "arxiv",
    "version": 1
  }
}