Pith Number

pith:P7A4OXW5

pith:2018:P7A4OXW5ZMSNN4MN6Y3R7JFKV2

not attested not anchored not stored refs pending

Adaptive Radial Basis Function-generated Finite Differences method for contact problems

Gregor Kosec, Jure Slak

arxiv:1811.10368 v2 · 2018-11-26 · math.NA · cs.NA · physics.comp-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P7A4OXW5ZMSNN4MN6Y3R7JFKV2}

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	2026-06-04T20:13:43.537838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc1c75eddcb24d6f18df6371fa4aaae9bebd249669fd76233fba7f2cdb48c20

Aliases

arxiv: 1811.10368 · arxiv_version: 1811.10368v2 · doi: 10.48550/arxiv.1811.10368 · pith_short_12: P7A4OXW5ZMSN · pith_short_16: P7A4OXW5ZMSNN4MN · pith_short_8: P7A4OXW5

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/P7A4OXW5ZMSNN4MN6Y3R7JFKV2 \
  | 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: 7fc1c75eddcb24d6f18df6371fa4aaae9bebd249669fd76233fba7f2cdb48c20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cb4f8dc0b1cd1131a5274d2f640536c7df72f69767cd834ccb385b03b4e13af0",
    "cross_cats_sorted": [
      "cs.NA",
      "physics.comp-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-11-26T13:56:23Z",
    "title_canon_sha256": "4ebe6ef9937343ba790c16043af71e4263eebb214161c975ad30b380a1dc0dee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.10368",
    "kind": "arxiv",
    "version": 2
  }
}