Pith Number

pith:FOCZCSLO

pith:2025:FOCZCSLOIRNFZY7ANXVXLCLNDG

not attested not anchored not stored refs pending

An adaptive dynamical low-rank optimizer for solving kinetic parameter identification inverse problems

Christian Klingenberg, Jonas Kusch, Lena Baumann, Lukas Einkemmer

arxiv:2506.21405 v1 · 2025-06-26 · math.NA · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FOCZCSLOIRNFZY7ANXVXLCLNDG}

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.

Cited by

1 paper in Pith

An Inexact Low-Rank Source Iteration for Steady-State Radiative Transfer Equation with Diffusion Synthetic Acceleration

Receipt and verification

First computed	2026-07-05T11:27:45.141121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b8591496e445a5ce3e06deb75896d198a9973c30b36475c284126421b5ad51f

Aliases

arxiv: 2506.21405 · arxiv_version: 2506.21405v1 · doi: 10.48550/arxiv.2506.21405 · pith_short_12: FOCZCSLOIRNF · pith_short_16: FOCZCSLOIRNFZY7A · pith_short_8: FOCZCSLO

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/FOCZCSLOIRNFZY7ANXVXLCLNDG \
  | 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: 2b8591496e445a5ce3e06deb75896d198a9973c30b36475c284126421b5ad51f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffbf5d692d2d53b849c7a56d3afd63fb5d7506deed37f11f9e41f3354771b515",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-06-26T15:53:05Z",
    "title_canon_sha256": "4ed7bbe6211f8d21cb4e5864bb89889511997a11685cf2df63e68abf51cfc772"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.21405",
    "kind": "arxiv",
    "version": 1
  }
}