Pith Number

pith:XYJUDYTA

pith:2025:XYJUDYTAKJARWE54DUE7XCFT6U

not attested not anchored not stored refs pending

Finite Element Methods for Elastic Contact: Penalty and Nitsche

Rolf Stenberg, Tom Gustafsson

arxiv:2505.21776 v1 · 2025-05-27 · 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{XYJUDYTAKJARWE54DUE7XCFT6U}

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	2026-07-05T11:11:03.366346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be1341e26052411b13bc1d09fb88b3f539eab19eb9d7f0585f39e629585c120c

Aliases

arxiv: 2505.21776 · arxiv_version: 2505.21776v1 · doi: 10.48550/arxiv.2505.21776 · pith_short_12: XYJUDYTAKJAR · pith_short_16: XYJUDYTAKJARWE54 · pith_short_8: XYJUDYTA

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/XYJUDYTAKJARWE54DUE7XCFT6U \
  | 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: be1341e26052411b13bc1d09fb88b3f539eab19eb9d7f0585f39e629585c120c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3efa04f9bea396ee5bd0b79a569f25fe3fea96eee06e2c8c0399ca9d1ff40c6",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-05-27T21:20:10Z",
    "title_canon_sha256": "92b1a30b7cf253a43e3732ad6dda1aec08b1fb5923f48e27e220296aa6b8b5de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.21776",
    "kind": "arxiv",
    "version": 1
  }
}