Pith Number

pith:P2NDKZN2

pith:2025:P2NDKZN2E73DWWNEPZO2F6XUAN

not attested not anchored not stored refs pending

Defaultable bond liquidity spread estimation: an option-based approach

Paolo Spezzati, Pietro Rossi, Riccardo Tedeschi

arxiv:2501.11427 v1 · 2025-01-20 · q-fin.PR · q-fin.CP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P2NDKZN2E73DWWNEPZO2F6XUAN}

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	2026-07-05T10:03:08.459813Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e9a3565ba27f63b59a47e5da2faf4037044e9a92e73c0668773068fdee6e95b

Aliases

arxiv: 2501.11427 · arxiv_version: 2501.11427v1 · doi: 10.48550/arxiv.2501.11427 · pith_short_12: P2NDKZN2E73D · pith_short_16: P2NDKZN2E73DWWNE · pith_short_8: P2NDKZN2

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/P2NDKZN2E73DWWNEPZO2F6XUAN \
  | 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: 7e9a3565ba27f63b59a47e5da2faf4037044e9a92e73c0668773068fdee6e95b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "513e1b328b6f109b8fee8f23ca013987c2b49fd1f04ce30c2f2a11105a1d4e2e",
    "cross_cats_sorted": [
      "q-fin.CP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "q-fin.PR",
    "submitted_at": "2025-01-20T11:56:09Z",
    "title_canon_sha256": "4ef6f6d69cb538e232f59022d495b9269619b96b5f3abbbfcda57e65c7c924af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.11427",
    "kind": "arxiv",
    "version": 1
  }
}