Pith Number

pith:FL6CYJCA

pith:2025:FL6CYJCAXX36RJYUS3VF72XPTY

not attested not anchored not stored refs pending

Nonlinear oscillations of strings and beams

Filip Ficek, Maciej Maliborski

arxiv:2508.19091 v1 · 2025-08-26 · math-ph · math.AP · math.MP · nlin.PS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FL6CYJCAXX36RJYUS3VF72XPTY}

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	2026-07-05T11:59:36.594508Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2afc2c2440bdf7e8a71496ea5feaef9e20470954dca99ad536d8c609e3ba7b5e

Aliases

arxiv: 2508.19091 · arxiv_version: 2508.19091v1 · doi: 10.48550/arxiv.2508.19091 · pith_short_12: FL6CYJCAXX36 · pith_short_16: FL6CYJCAXX36RJYU · pith_short_8: FL6CYJCA

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/FL6CYJCAXX36RJYUS3VF72XPTY \
  | 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: 2afc2c2440bdf7e8a71496ea5feaef9e20470954dca99ad536d8c609e3ba7b5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3de5d51e0f5880521a954bd94d6d5c9af5fc8c8e5d2b12f11014dab5e4ca5245",
    "cross_cats_sorted": [
      "math.AP",
      "math.MP",
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2025-08-26T14:56:08Z",
    "title_canon_sha256": "e73a3cd2467f9afa7f103787d9735c698d27fcdbaf9f8238021ef62e4fe0545d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19091",
    "kind": "arxiv",
    "version": 1
  }
}