Pith Number

pith:FI42URIF

pith:2015:FI42URIFXBCG37YQF2FC7ALNDW

not attested not anchored not stored refs pending

Multivariate trend-cycle extraction with the Hodrick-Prescott filter

Federico Poloni, Giacomo Sbrana

arxiv:1508.05588 v1 · 2015-08-23 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FI42URIFXBCG37YQF2FC7ALNDW}

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	2026-05-18T01:34:52.137781Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a39aa4505b8446dff102e8a2f816d1d82c864cbba27f2ee3838034ed9c90578

Aliases

arxiv: 1508.05588 · arxiv_version: 1508.05588v1 · doi: 10.48550/arxiv.1508.05588 · pith_short_12: FI42URIFXBCG · pith_short_16: FI42URIFXBCG37YQ · pith_short_8: FI42URIF

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/FI42URIFXBCG37YQF2FC7ALNDW \
  | 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: 2a39aa4505b8446dff102e8a2f816d1d82c864cbba27f2ee3838034ed9c90578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31e52da284a7e8e51ff659dbaa7de603730ed8ac2f28d06c8716d3470bf88d5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-08-23T10:06:03Z",
    "title_canon_sha256": "5e7726e46e7cc7364b8de7f4e3f0295e257b626b273a1579343073507f06ebfe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.05588",
    "kind": "arxiv",
    "version": 1
  }
}