Pith Number

pith:ETJAELWQ

pith:2026:ETJAELWQMX4GMW4MBU23CIPNYQ

not attested not anchored not stored refs pending

Optimal placement and tuning of pointwise dampers for vibrating strings via a Lyapunov framework

Josip Tamba\v{c}a, Ninoslav Truhar

arxiv:2606.17748 v1 · 2026-06-16 · 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{ETJAELWQMX4GMW4MBU23CIPNYQ}

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	2026-06-19T16:10:20.901836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

24d2022ed065f8665b8c0d35b121edc4179781aad2b5b4c97a68c305c53a5f69

Aliases

arxiv: 2606.17748 · arxiv_version: 2606.17748v1 · doi: 10.48550/arxiv.2606.17748 · pith_short_12: ETJAELWQMX4G · pith_short_16: ETJAELWQMX4GMW4M · pith_short_8: ETJAELWQ

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/ETJAELWQMX4GMW4MBU23CIPNYQ \
  | 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: 24d2022ed065f8665b8c0d35b121edc4179781aad2b5b4c97a68c305c53a5f69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "596c5e421fc55805aa09957322e439038a15f33aa79907fc37cd17d946f11fab",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-16T10:07:21Z",
    "title_canon_sha256": "30bed1d55393daffb1af49d1fd551b8b4ade04142231a93865302865f219d109"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.17748",
    "kind": "arxiv",
    "version": 1
  }
}