Pith Number

pith:CWYUSMKS

pith:2003:CWYUSMKSGZTOKNFKFFWK2XIMIP

not attested not anchored not stored refs pending

Interest Rate Model Calibration Using Semidefinite Programming

Alexandre d'Aspremont

arxiv:cs/0302034 v2 · 2003-02-25 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWYUSMKSGZTOKNFKFFWK2XIMIP}

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	2026-07-04T14:47:55.995471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15b14931523666e534aa296cad5d0c43d00ed663aeb600d9c4a79a7140d9d7e9

Aliases

arxiv: cs/0302034 · arxiv_version: cs/0302034v2 · doi: 10.48550/arxiv.cs/0302034 · pith_short_12: CWYUSMKSGZTO · pith_short_16: CWYUSMKSGZTOKNFK · pith_short_8: CWYUSMKS

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/CWYUSMKSGZTOKNFKFFWK2XIMIP \
  | 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: 15b14931523666e534aa296cad5d0c43d00ed663aeb600d9c4a79a7140d9d7e9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5add4b113e3b3097a1fbb11255aebe37a4795a2360a4adc85d6ced0cf17bc44e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.CE",
    "submitted_at": "2003-02-25T02:48:42Z",
    "title_canon_sha256": "8bce704a2066c420779f30b7f9c8c421bd4d8f658df863cff180b713512c1b02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0302034",
    "kind": "arxiv",
    "version": 2
  }
}