Pith Number

pith:DKQIA7PO

pith:2013:DKQIA7PO4VJHT3XKYHBYGRZTWU

not attested not anchored not stored refs pending

Non-negatively constrained least squares and parameter choice by the residual periodogram for the inversion of dielectric relaxation spectra: Supplementary Materials

Grant Sander, Jakob Hansen, Jarom Hogue, Rosemary Renaut

arxiv:1309.4506 v3 · 2013-09-17 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DKQIA7PO4VJHT3XKYHBYGRZTWU}

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	2026-05-18T02:50:13.364037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1aa0807deee55279eeeac1c3834733b516587902d35562f9e8259289757fd140

Aliases

arxiv: 1309.4506 · arxiv_version: 1309.4506v3 · doi: 10.48550/arxiv.1309.4506 · pith_short_12: DKQIA7PO4VJH · pith_short_16: DKQIA7PO4VJHT3XK · pith_short_8: DKQIA7PO

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/DKQIA7PO4VJHT3XKYHBYGRZTWU \
  | 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: 1aa0807deee55279eeeac1c3834733b516587902d35562f9e8259289757fd140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c369af1de363d4181be6bb87bdc0f6f9ce0cbef15384121c1f7cddd42002086f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-17T23:47:17Z",
    "title_canon_sha256": "815b632ebaa6a570f6ab045804e4bddc2add14927132556d238a691bec5651e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4506",
    "kind": "arxiv",
    "version": 3
  }
}