Pith Number

pith:PB3SJY33

pith:2012:PB3SJY33SQMW4EAVITEC3IRLEQ

not attested not anchored not stored refs pending

Improvements to the Levenberg-Marquardt algorithm for nonlinear least-squares minimization

James P. Sethna, Mark K. Transtrum

arxiv:1201.5885 v1 · 2012-01-27 · physics.data-an · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PB3SJY33SQMW4EAVITEC3IRLEQ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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.

Cited by

2 papers in Pith

GATO: GPU-Accelerated and Batched Trajectory Optimization for Scalable Edge Model Predictive Control

Inferring Unreported Measurement Uncertainties via Information Geometry in Astrophysics

Receipt and verification

First computed	2026-05-18T04:03:44.290807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787724e37b94196e101544c82da22b24032ad4856a135a0c7b1af0ffb5b0a8bd

Aliases

arxiv: 1201.5885 · arxiv_version: 1201.5885v1 · doi: 10.48550/arxiv.1201.5885 · pith_short_12: PB3SJY33SQMW · pith_short_16: PB3SJY33SQMW4EAV · pith_short_8: PB3SJY33

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/PB3SJY33SQMW4EAVITEC3IRLEQ \
  | 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: 787724e37b94196e101544c82da22b24032ad4856a135a0c7b1af0ffb5b0a8bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a9aa34a034312f94eb2787026bcf2bdbb5736ca91463cfc949aeed9a3b8971e",
    "cross_cats_sorted": [
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.data-an",
    "submitted_at": "2012-01-27T20:40:44Z",
    "title_canon_sha256": "c24dcfcb39acfdbd755d904b2a5423a9222a0bd4e907d6c1d2bcd35981d2abd8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.5885",
    "kind": "arxiv",
    "version": 1
  }
}