Pith Number

pith:3PPOBH33

pith:2026:3PPOBH334XHRSETCICZGXUUOF2

not attested not anchored not stored refs pending

Modified augmented Lagrangian preconditioning for mixed-dimensional beam-solid coupling

Alexander Popp, Ivo Steinbrecher, Matthias Mayr, Max Firmbach

arxiv:2606.06035 v1 · 2026-06-04 · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PPOBH334XHRSETCICZGXUUOF2}

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	2026-06-05T01:15:31.133169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbdee09f7be5cf19126240b26bd28e2eb7d0b84d5a732afe0696cee2979b456e

Aliases

arxiv: 2606.06035 · arxiv_version: 2606.06035v1 · doi: 10.48550/arxiv.2606.06035 · pith_short_12: 3PPOBH334XHR · pith_short_16: 3PPOBH334XHRSETC · pith_short_8: 3PPOBH33

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/3PPOBH334XHRSETCICZGXUUOF2 \
  | 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: dbdee09f7be5cf19126240b26bd28e2eb7d0b84d5a732afe0696cee2979b456e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dec705f12d2b5cbdba57c2e4f806093f93223968d429453943d8c7b114e317a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CE",
    "submitted_at": "2026-06-04T11:29:23Z",
    "title_canon_sha256": "f05e5a9bb0db831cce5508b68cc3474a2938c4d2ef12b260acb36b0e5c4dabac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06035",
    "kind": "arxiv",
    "version": 1
  }
}