Pith Number

pith:XJF6MXDY

pith:2026:XJF6MXDYRV3EL4RLGQ7XFZ3YIE

not attested not anchored not stored refs pending

Second-order bulk-surface splitting for the wave equation with kinetic boundary conditions

R. Altmann, R. Morandin

arxiv:2606.09502 v1 · 2026-06-08 · 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{XJF6MXDYRV3EL4RLGQ7XFZ3YIE}

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	2026-06-09T02:08:52.151302Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba4be65c788d7645f22b343f72e7784139b2587e7b46ab41974a42a55940295d

Aliases

arxiv: 2606.09502 · arxiv_version: 2606.09502v1 · doi: 10.48550/arxiv.2606.09502 · pith_short_12: XJF6MXDYRV3E · pith_short_16: XJF6MXDYRV3EL4RL · pith_short_8: XJF6MXDY

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/XJF6MXDYRV3EL4RLGQ7XFZ3YIE \
  | 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: ba4be65c788d7645f22b343f72e7784139b2587e7b46ab41974a42a55940295d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ccb5ff7fe6b26fd576fd16d20c557d8c0f4f7639adbcdd0ad797b9cc33786b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-08T13:53:02Z",
    "title_canon_sha256": "e9f24a6d2f4160d187520695702c25aced83a70b044c177675bbf50461e49de9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.09502",
    "kind": "arxiv",
    "version": 1
  }
}