Pith Number

pith:XE2MB6QH

pith:2025:XE2MB6QHDQZLCDY2RYRIALT325

not attested not anchored not stored refs pending

Paving the way to a $\operatorname{T}$-coercive method for the wave equation

Carolina Urz\'ua-Torres, Daniel Hoonhout, Richard L\"oscher

arxiv:2509.02288 v1 · 2025-09-02 · 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{XE2MB6QHDQZLCDY2RYRIALT325}

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	2026-07-05T12:03:35.587537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b934c0fa071c32b10f1a8e22802e7bd77054618fc0d20518196bb1b742dfa41c

Aliases

arxiv: 2509.02288 · arxiv_version: 2509.02288v1 · doi: 10.48550/arxiv.2509.02288 · pith_short_12: XE2MB6QHDQZL · pith_short_16: XE2MB6QHDQZLCDY2 · pith_short_8: XE2MB6QH

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/XE2MB6QHDQZLCDY2RYRIALT325 \
  | 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: b934c0fa071c32b10f1a8e22802e7bd77054618fc0d20518196bb1b742dfa41c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81fd598a802ee8bed039b0d182f595bf25fb9d8f4d5b5e06ac06cd84efda7fcd",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2025-09-02T13:08:16Z",
    "title_canon_sha256": "05fbddca5aaef999790b7ec4dc8d57e0828baa72b00965f4bb7e3f254d673e75"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.02288",
    "kind": "arxiv",
    "version": 1
  }
}