pith. sign in
Pith Number

pith:FQXNB5NA

pith:2018:FQXNB5NAV2ZPD54LPQF5KLJROE
not attested not anchored not stored refs pending

Multivariate Fractional Components Analysis

Roland Weigand, Tobias Hartl

arxiv:1812.09149 v2 · 2018-12-21 · econ.EM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{FQXNB5NAV2ZPD54LPQF5KLJROE}

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 2026-05-17T23:55:18.723874Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

2c2ed0f5a0aeb2f1f78b7c0bd52d31710031ef528848f19716067b3bb079fc3a

Aliases

arxiv: 1812.09149 · arxiv_version: 1812.09149v2 · doi: 10.48550/arxiv.1812.09149 · pith_short_12: FQXNB5NAV2ZP · pith_short_16: FQXNB5NAV2ZPD54L · pith_short_8: FQXNB5NA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/FQXNB5NAV2ZPD54LPQF5KLJROE \
  | 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: 2c2ed0f5a0aeb2f1f78b7c0bd52d31710031ef528848f19716067b3bb079fc3a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "229dd231aa64a1273c85f548ab19f3705014467ba48d0962a17afd3db2f71d40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "econ.EM",
    "submitted_at": "2018-12-21T14:33:27Z",
    "title_canon_sha256": "b9a6c03b33f9d248eebf253b44a3f1326d73a9874978243cbb8424d29a0e9d64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09149",
    "kind": "arxiv",
    "version": 2
  }
}