Pith Number

pith:C5EH3GQB

pith:2019:C5EH3GQBKE2PLFL6KRAZMMVXQF

not attested not anchored not stored refs pending

The classification of term structure shapes in the two-factor Vasicek model -- a total positivity approach

Martin Keller-Ressel

arxiv:1908.04667 v3 · 2019-08-13 · 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{C5EH3GQBKE2PLFL6KRAZMMVXQF}

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	2026-07-05T02:48:49.963742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17487d9a015134f5957e54419632b781673cebbfbce4cca322ac991a77888afd

Aliases

arxiv: 1908.04667 · arxiv_version: 1908.04667v3 · doi: 10.48550/arxiv.1908.04667 · pith_short_12: C5EH3GQBKE2P · pith_short_16: C5EH3GQBKE2PLFL6 · pith_short_8: C5EH3GQB

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/C5EH3GQBKE2PLFL6KRAZMMVXQF \
  | 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: 17487d9a015134f5957e54419632b781673cebbfbce4cca322ac991a77888afd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74051129678cee121831370bdd488444da1ed6dd3afc7b065b8b1f550fb62fa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.MF",
    "submitted_at": "2019-08-13T14:35:14Z",
    "title_canon_sha256": "a934acd8e6b3cfe1e4a52bf37d90106d2969dd5d1a5f393f2e415c73822d7b19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.04667",
    "kind": "arxiv",
    "version": 3
  }
}