Pith Number

pith:4E5C6NNX

pith:2019:4E5C6NNXDBDG7IJVNKMPDXDG5B

not attested not anchored not stored refs pending

New Results on Parameter Estimation via Dynamic Regressor Extension and Mixing: Continuous and Discrete-time Cases

Alessandro Astolfi, Alexey A. Bobtsov, Anton A. Pyrkin, Romeo Ortega, Stanislav Aranovskiy

arxiv:1908.05125 v1 · 2019-08-14 · eess.SY · cs.PF · 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{4E5C6NNXDBDG7IJVNKMPDXDG5B}

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	2026-07-04T23:56:36.534553Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e13a2f35b718466fa1356a98f1dc66e85586d72845e8e3532aca6ac6c093574b

Aliases

arxiv: 1908.05125 · arxiv_version: 1908.05125v1 · doi: 10.48550/arxiv.1908.05125 · pith_short_12: 4E5C6NNXDBDG · pith_short_16: 4E5C6NNXDBDG7IJV · pith_short_8: 4E5C6NNX

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/4E5C6NNXDBDG7IJVNKMPDXDG5B \
  | 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: e13a2f35b718466fa1356a98f1dc66e85586d72845e8e3532aca6ac6c093574b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60dda80264b502db2248b1c4d4da1c4c45e9256dc00fdda91e0bbc796c6f0bf6",
    "cross_cats_sorted": [
      "cs.PF",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2019-08-14T13:45:46Z",
    "title_canon_sha256": "b4b40582692e15a91fd4658088c5c63159de6999620fe106ce876eb11ff8b679"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05125",
    "kind": "arxiv",
    "version": 1
  }
}