Pith Number

pith:S6VDHP6C

pith:2025:S6VDHP6CRDSYMLENXTZ2IT2PFX

not attested not anchored not stored refs pending

Kernel-based Greedy Approximation of Parametric Elliptic Boundary Value Problems

Bernard Haasdonk, Gabriele Santin, Tizian Wenzel

arxiv:2507.06731 v1 · 2025-07-09 · 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{S6VDHP6CRDSYMLENXTZ2IT2PFX}

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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

On Symmetric Kernel Collocation for Nonlinear PDEs

Receipt and verification

First computed	2026-07-05T11:34:22.192125Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97aa33bfc288e5862c8dbcf3a44f4f2df26b58bb6c4dfa5f85b3ae733e2c2b00

Aliases

arxiv: 2507.06731 · arxiv_version: 2507.06731v1 · doi: 10.48550/arxiv.2507.06731 · pith_short_12: S6VDHP6CRDSY · pith_short_16: S6VDHP6CRDSYMLEN · pith_short_8: S6VDHP6C

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/S6VDHP6CRDSYMLENXTZ2IT2PFX \
  | 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: 97aa33bfc288e5862c8dbcf3a44f4f2df26b58bb6c4dfa5f85b3ae733e2c2b00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "652b1f29184877464c31c658a2b1d36b140b52777e1f5dea4709159e83940326",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-07-09T10:45:21Z",
    "title_canon_sha256": "a8fc05ea84b6d0c56a43e8841948b514fc9a7dafb25379fdac0db2eeeba80dbe"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.06731",
    "kind": "arxiv",
    "version": 1
  }
}