Pith Number

pith:CQHMMUOO

pith:2026:CQHMMUOOPLPURUNHMUF5R547BU

not attested not anchored not stored refs pending

Determining the Structure of Dynamic Factor Models

Sangmyung Ha

arxiv:2606.26142 v1 · 2026-06-20 · econ.EM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CQHMMUOOPLPURUNHMUF5R547BU}

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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	2026-06-26T00:15:27.171803Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

140ec651ce7adf48d1a7650bd8f79f0d0a6d27c45a5febd275c7aef3f1745f42

Aliases

arxiv: 2606.26142 · arxiv_version: 2606.26142v1 · doi: 10.48550/arxiv.2606.26142 · pith_short_12: CQHMMUOOPLPU · pith_short_16: CQHMMUOOPLPURUNH · pith_short_8: CQHMMUOO

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/CQHMMUOOPLPURUNHMUF5R547BU \
  | 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: 140ec651ce7adf48d1a7650bd8f79f0d0a6d27c45a5febd275c7aef3f1745f42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8795ea536860e6f859be7fda6e91ff7a78c0deb4a2a954bf27b17c384a52b0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2026-06-20T18:02:03Z",
    "title_canon_sha256": "2cc830854c9d4c0009417caa1b73671794b43628ba703cd3f288373754db2828"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26142",
    "kind": "arxiv",
    "version": 1
  }
}