Pith Number

pith:GPKUPKAJ

pith:2026:GPKUPKAJDGMNADBKD6XOE553QM

not attested not anchored not stored refs pending

Recovering Governing Equations from Solution Data: Identifiability Bounds for Linear and Nonlinear ODEs

Helmut B\"olcskei, Yang Pan

arxiv:2606.27285 v1 · 2026-06-25 · cs.LG · cs.IT · math.CA · math.DS · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GPKUPKAJDGMNADBKD6XOE553QM}

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	2026-06-26T01:16:17.577976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33d547a8091998d00c2a1faee277bb8337397819f1e465303105dfb3743e7bf2

Aliases

arxiv: 2606.27285 · arxiv_version: 2606.27285v1 · doi: 10.48550/arxiv.2606.27285 · pith_short_12: GPKUPKAJDGMN · pith_short_16: GPKUPKAJDGMNADBK · pith_short_8: GPKUPKAJ

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/GPKUPKAJDGMNADBKD6XOE553QM \
  | 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: 33d547a8091998d00c2a1faee277bb8337397819f1e465303105dfb3743e7bf2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8cc56d9fa01e387701637a2b4b5d7ae7d66665c8368748b78549fe20599a053",
    "cross_cats_sorted": [
      "cs.IT",
      "math.CA",
      "math.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2026-06-25T17:02:08Z",
    "title_canon_sha256": "0bfb60ba56d41d0c49440f0ba25bab96a724cde096be78fa11f842fbe565f8b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.27285",
    "kind": "arxiv",
    "version": 1
  }
}