Pith Number

pith:TQELHX6W

pith:2022:TQELHX6WQA36M6CC445VWQM4AZ

not attested not anchored not stored refs pending

On the limiting amplitude principle for the wave equation with variable coefficients

Anton Arnold, Dmitry Ponomarev, Ilaria Perugia, Sjoerd Geevers

arxiv:2202.10105 v3 · 2022-02-21 · math.AP · cs.NA · math-ph · math.MP · 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{TQELHX6WQA36M6CC445VWQM4AZ}

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	2026-07-05T08:04:29.852469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c08b3dfd68037e67842e73b5b419c0657ffadffc52d029e377a510ec1a0b5e8

Aliases

arxiv: 2202.10105 · arxiv_version: 2202.10105v3 · doi: 10.48550/arxiv.2202.10105 · pith_short_12: TQELHX6WQA36 · pith_short_16: TQELHX6WQA36M6CC · pith_short_8: TQELHX6W

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/TQELHX6WQA36M6CC445VWQM4AZ \
  | 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: 9c08b3dfd68037e67842e73b5b419c0657ffadffc52d029e377a510ec1a0b5e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a15bb26804748538e3e8db6136e9dcf4aa04ee612e31cd5007173090d25b12e6",
    "cross_cats_sorted": [
      "cs.NA",
      "math-ph",
      "math.MP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2022-02-21T10:36:36Z",
    "title_canon_sha256": "71f811426a6a7c1dc7c4f451a48c69ee52e2385b8844607994c29cec9baad855"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10105",
    "kind": "arxiv",
    "version": 3
  }
}