Pith Number

pith:IZWMDJUA

pith:2015:IZWMDJUA45YTOP4INIFLH4RPBV

not attested not anchored not stored refs pending

An M-Estimator for Reduced-Rank High-Dimensional Linear Dynamical System Identification

Brian S. Caffo, Joshua T. Vogelstein, Kai Liu, Martin Lindquist, Seonjoo Lee, Shaojie Chen, Yuguang Yang, Yuting Xu

arxiv:1509.03927 v1 · 2015-09-14 · 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{IZWMDJUA45YTOP4INIFLH4RPBV}

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	2026-05-18T01:33:08.721326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

466cc1a680e771373f886a0ab3f22f0d59384764e221d6626dc587e24bd5786e

Aliases

arxiv: 1509.03927 · arxiv_version: 1509.03927v1 · doi: 10.48550/arxiv.1509.03927 · pith_short_12: IZWMDJUA45YT · pith_short_16: IZWMDJUA45YTOP4I · pith_short_8: IZWMDJUA

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/IZWMDJUA45YTOP4INIFLH4RPBV \
  | 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: 466cc1a680e771373f886a0ab3f22f0d59384764e221d6626dc587e24bd5786e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3be1f22235144e939f80856558a5386133136b45d2ed0e62a1cc7ceb13d27b41",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2015-09-14T02:23:31Z",
    "title_canon_sha256": "1459fe105487c72c498d2da81980f2097911d0e21de9596550d2c719606f82d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.03927",
    "kind": "arxiv",
    "version": 1
  }
}