Pith Number

pith:2W77TGAB

pith:2016:2W77TGABO4KBQW7LYCI4V2ETP4

not attested not anchored not stored refs pending

Robust Trading of Implied Skew

Jan Obloj, Sergey Nadtochiy

arxiv:1611.05518 v1 · 2016-11-17 · q-fin.PR · 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{2W77TGABO4KBQW7LYCI4V2ETP4}

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	2026-05-18T00:58:03.340439Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5bff998017714185bebc091cae8937f011512de3871d8609119cbd9ca80c2f6

Aliases

arxiv: 1611.05518 · arxiv_version: 1611.05518v1 · doi: 10.48550/arxiv.1611.05518 · pith_short_12: 2W77TGABO4KB · pith_short_16: 2W77TGABO4KBQW7L · pith_short_8: 2W77TGAB

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/2W77TGABO4KBQW7LYCI4V2ETP4 \
  | 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: d5bff998017714185bebc091cae8937f011512de3871d8609119cbd9ca80c2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d00f79d92c06086b15dee9ab172330ed6b8aeb21d34cb7681ec0f3f7a9572215",
    "cross_cats_sorted": [
      "q-fin.MF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2016-11-17T00:48:14Z",
    "title_canon_sha256": "04778af16f7c0dc60b96d3892c4aaee0d46dbcac88fce600d9f12cf7e4b03923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.05518",
    "kind": "arxiv",
    "version": 1
  }
}