Pith Number

pith:TQQMDNED

pith:2024:TQQMDNEDPFDV7N5A7DXBFIVAPK

not attested not anchored not stored refs pending

Symplectic QTT-FEM solution of the one-dimensional acoustic wave equation in the time domain

Ilaria Perugia, Sara Fraschini, Vladimir Kazeev

arxiv:2411.11321 v1 · 2024-11-18 · math.NA · cs.NA

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{TQQMDNEDPFDV7N5A7DXBFIVAPK}

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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.

Cited by

2 papers in Pith

A practical investigation on time integration in the quantized tensor train format

Solving the Peierls-Boltzmann transport equation with matrix product states

Receipt and verification

First computed	2026-07-05T09:36:54.458956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9c20c1b48379475fb7a0f8ee12a2a07aaf5719394b5138231a30e34e0cefeaef

Aliases

arxiv: 2411.11321 · arxiv_version: 2411.11321v1 · doi: 10.48550/arxiv.2411.11321 · pith_short_12: TQQMDNEDPFDV · pith_short_16: TQQMDNEDPFDV7N5A · pith_short_8: TQQMDNED

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/TQQMDNEDPFDV7N5A7DXBFIVAPK \
  | 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: 9c20c1b48379475fb7a0f8ee12a2a07aaf5719394b5138231a30e34e0cefeaef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b725984ef515ca4e0fce7420a45c6a678cd2b10ca2d4c6d9db538ca55ec620c9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2024-11-18T06:31:12Z",
    "title_canon_sha256": "57d1bd03bd346934ea37ef5a4841a3f8237e8fa2afcccf7cb702c1bc281ba6b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.11321",
    "kind": "arxiv",
    "version": 1
  }
}