Pith Number

pith:AXV3TRAN

pith:2026:AXV3TRANDXTOJP2FPFLWO6ALTY

not attested not anchored not stored refs pending

A recursive subspace based method for errors-in-variables model identification of time-varying systems

Deepanjhan Das, Shankar Narasimhan

arxiv:2607.17065 v1 · 2026-07-19 · eess.SY · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AXV3TRANDXTOJP2FPFLWO6ALTY}

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	2026-07-21T01:21:13.062867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

05ebb9c40d1de6e4bf45795767780b9e0573992c6b723f087604c91dd69afc08

Aliases

arxiv: 2607.17065 · arxiv_version: 2607.17065v1 · doi: 10.48550/arxiv.2607.17065 · pith_short_12: AXV3TRANDXTO · pith_short_16: AXV3TRANDXTOJP2F · pith_short_8: AXV3TRAN

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/AXV3TRANDXTOJP2FPFLWO6ALTY \
  | 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: 05ebb9c40d1de6e4bf45795767780b9e0573992c6b723f087604c91dd69afc08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d267340de8878e627f02dded778d10c11b6130494c8f8991b36ea93cbf5ccd1",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2026-07-19T04:20:04Z",
    "title_canon_sha256": "e4af8332c7164d9e6cd32ccb145d727fec2ef33ae9cba85650f9dcf7e20b6001"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.17065",
    "kind": "arxiv",
    "version": 1
  }
}