Pith Number

pith:V5ZCXJJD

pith:2026:V5ZCXJJD67MMYXI73BOGE75R3E

not attested not anchored not stored refs pending

Dirichlet-Neumann waveform relaxation for heterogeneous heat equations: continuous and time discrete L2 analysis

Lu-di Lu, Martin J. Gander, Niklas Kotarsky, Philipp Birken

arxiv:2606.29987 v1 · 2026-06-29 · 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{V5ZCXJJD67MMYXI73BOGE75R3E}

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	2026-06-30T02:17:44.257731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af722ba523f7d8cc5d1fd85c627fb1d921f9971b6a328b0ad9a90192322cc3e7

Aliases

arxiv: 2606.29987 · arxiv_version: 2606.29987v1 · doi: 10.48550/arxiv.2606.29987 · pith_short_12: V5ZCXJJD67MM · pith_short_16: V5ZCXJJD67MMYXI7 · pith_short_8: V5ZCXJJD

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/V5ZCXJJD67MMYXI73BOGE75R3E \
  | 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: af722ba523f7d8cc5d1fd85c627fb1d921f9971b6a328b0ad9a90192322cc3e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2de85da54100e84f6ba0e05be4bee1d70859923edbff0d0380585731a97ca317",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-29T09:00:42Z",
    "title_canon_sha256": "5dff82707610ffb64e5cf3b14dc188f4fcdc699c95d33e90f8372f7e474ca22b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.29987",
    "kind": "arxiv",
    "version": 1
  }
}