Pith Number

pith:TT32GOZ6

pith:2026:TT32GOZ6CUKX3K6EAYQTMPCZEL

not attested not anchored not stored refs pending

Kreiss stability analysis of Hagstrom-Warburton nonreflecting boundary conditions for the first-order time-dependent Maxwell equations

J.J.W. van der Vegt, Kaifang Liu, Matthias Schlottbom, Yan Xu

arxiv:2606.22754 v1 · 2026-06-22 · math.AP · cs.NA · math.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{TT32GOZ6CUKX3K6EAYQTMPCZEL}

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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.

Receipt and verification

First computed	2026-06-23T02:13:46.347723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cf7a33b3e15157dabc40621363c5922d6986682cad5a7d6d2a74eb258e6af2e

Aliases

arxiv: 2606.22754 · arxiv_version: 2606.22754v1 · doi: 10.48550/arxiv.2606.22754 · pith_short_12: TT32GOZ6CUKX · pith_short_16: TT32GOZ6CUKX3K6E · pith_short_8: TT32GOZ6

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/TT32GOZ6CUKX3K6EAYQTMPCZEL \
  | 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: 9cf7a33b3e15157dabc40621363c5922d6986682cad5a7d6d2a74eb258e6af2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "43f92a98a3c7693fb985358db0a179ebaad8c059b473428abba24db033991e1d",
    "cross_cats_sorted": [
      "cs.NA",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2026-06-22T01:47:27Z",
    "title_canon_sha256": "bd188bdd0fdb60623baab6f1fad423442420226f82363720f08cfd8a7d83e1d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.22754",
    "kind": "arxiv",
    "version": 1
  }
}