Pith Number

pith:RZGLVZLM

pith:2018:RZGLVZLM7MLGJBISEH4FJWJ6Q7

not attested not anchored not stored refs pending

A regularization method for the parameter estimation problem in ordinary differential equations via discrete optimal control theory

Quentin Clairon

arxiv:1810.03866 v2 · 2018-10-09 · 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{RZGLVZLM7MLGJBISEH4FJWJ6Q7}

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	2026-05-18T00:03:40.890095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e4cbae56cfb1664851221f854d93e87c6f9995140dcc8f07956f7229861ba13

Aliases

arxiv: 1810.03866 · arxiv_version: 1810.03866v2 · doi: 10.48550/arxiv.1810.03866 · pith_short_12: RZGLVZLM7MLG · pith_short_16: RZGLVZLM7MLGJBIS · pith_short_8: RZGLVZLM

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/RZGLVZLM7MLGJBISEH4FJWJ6Q7 \
  | 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: 8e4cbae56cfb1664851221f854d93e87c6f9995140dcc8f07956f7229861ba13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1fff8ba22a899288d5a6cdeaf65c8a40d4aa58d6831b4f30237c7a92deb0b2d7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-10-09T09:03:24Z",
    "title_canon_sha256": "6240b2b0cfcc84ac3a2b2d0bb5806b3f45104351d0d3660462a5bf48fbb5b4e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.03866",
    "kind": "arxiv",
    "version": 2
  }
}