Pith Number

pith:ZPEK65BC

pith:2014:ZPEK65BCXXJDU6SAM75WRYZGNB

not attested not anchored not stored refs pending

Modeling Credit Spreads Using Nonlinear Regression

Holger Thomae, Radoslava Mirkov, Ronald Hochreiter, Thomas Maul

arxiv:1401.6955 v1 · 2014-01-27 · q-fin.ST

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZPEK65BCXXJDU6SAM75WRYZGNB}

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	2026-05-18T03:01:00.170160Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbc8af7422bdd23a7a4067fb68e32668541cf937feef8ffc68fd4ca1ec5cbada

Aliases

arxiv: 1401.6955 · arxiv_version: 1401.6955v1 · doi: 10.48550/arxiv.1401.6955 · pith_short_12: ZPEK65BCXXJD · pith_short_16: ZPEK65BCXXJDU6SA · pith_short_8: ZPEK65BC

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/ZPEK65BCXXJDU6SAM75WRYZGNB \
  | 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: cbc8af7422bdd23a7a4067fb68e32668541cf937feef8ffc68fd4ca1ec5cbada

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b583ef19b0d097f068011bdcff8421125f34a24a36442fc439fb0f6b6fd721e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2014-01-27T18:45:44Z",
    "title_canon_sha256": "9ffd4b2241c39e64372bbab225f500f677784ef00b4bf81dba9a834741f832cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6955",
    "kind": "arxiv",
    "version": 1
  }
}