Pith Number

pith:SEVIF6EB

pith:2025:SEVIF6EB75I6NUZRYQ2K5PI4DP

not attested not anchored not stored refs pending

Tikhonov regularized exterior penalty methods for hierarchical variational inequalities

Mathias Staudigl, Meggie Marschner

arxiv:2508.20872 v1 · 2025-08-28 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SEVIF6EB75I6NUZRYQ2K5PI4DP}

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	2026-07-05T12:01:12.603462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

912a82f881ff51e6d331c434aebd1c1bdea4547b3aaf42efd9f57552c6995eeb

Aliases

arxiv: 2508.20872 · arxiv_version: 2508.20872v1 · doi: 10.48550/arxiv.2508.20872 · pith_short_12: SEVIF6EB75I6 · pith_short_16: SEVIF6EB75I6NUZR · pith_short_8: SEVIF6EB

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/SEVIF6EB75I6NUZRYQ2K5PI4DP \
  | 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: 912a82f881ff51e6d331c434aebd1c1bdea4547b3aaf42efd9f57552c6995eeb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f4a888d25ed862e9493118b8b881ed1d073efa74e2808e6ae6c4fe61cc3c9c2f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-08-28T15:02:19Z",
    "title_canon_sha256": "caf2a5d43a8d9d4dff7c0e8458d40edc008f69e683a480b0f63aaeb955dc8696"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.20872",
    "kind": "arxiv",
    "version": 1
  }
}