Pith Number

pith:EKU5YEKA

pith:2013:EKU5YEKAEVJZV3ONJDFXMN3O6H

not attested not anchored not stored refs pending

A Functional Hodrick Prescott Filter

Boualem Djehiche, Hiba Nassar

arxiv:1312.4936 v1 · 2013-12-17 · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKU5YEKAEVJZV3ONJDFXMN3O6H}

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	2026-05-18T00:56:53.307136Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22a9dc114025539aedcd48cb76376ef1e55340b1b276ac369be2b0af679cbf5d

Aliases

arxiv: 1312.4936 · arxiv_version: 1312.4936v1 · doi: 10.48550/arxiv.1312.4936 · pith_short_12: EKU5YEKAEVJZ · pith_short_16: EKU5YEKAEVJZV3ON · pith_short_8: EKU5YEKA

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/EKU5YEKAEVJZV3ONJDFXMN3O6H \
  | 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: 22a9dc114025539aedcd48cb76376ef1e55340b1b276ac369be2b0af679cbf5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eaa152b919a4a50d6a845d8796670deaf26d8db58e8c297891c1bf82e9113f49",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-12-17T20:49:08Z",
    "title_canon_sha256": "158da2cc3337376be796ccc76f6cb1c94f8bb6fb52ee8047aba84e620bbcae82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.4936",
    "kind": "arxiv",
    "version": 1
  }
}