Pith Number

pith:45623EY7

pith:2005:45623EY7S5C5KK6YLERBJLVBY3

not attested not anchored not stored refs pending

Optimized interpolations and nonlinearity in numerical studies of woodwind instruments

A. Skouroupathis, H. Panagopoulos (Department of Physics, Nicosia), University of Cyprus

arxiv:physics/0509055 v1 · 2005-09-07 · physics.comp-ph · physics.gen-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{45623EY7S5C5KK6YLERBJLVBY3}

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	2026-05-18T01:38:07.507583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e77dad931f9745d52bd8592214aea1c6f5912fac09390979aec66105b7b4c7de

Aliases

arxiv: physics/0509055 · arxiv_version: physics/0509055v1 · doi: 10.48550/arxiv.physics/0509055 · pith_short_12: 45623EY7S5C5 · pith_short_16: 45623EY7S5C5KK6Y · pith_short_8: 45623EY7

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/45623EY7S5C5KK6YLERBJLVBY3 \
  | 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: e77dad931f9745d52bd8592214aea1c6f5912fac09390979aec66105b7b4c7de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "765d42d62b9436787851585b0e40999bade7d70e5895f4c5eff048e9c82fa0b5",
    "cross_cats_sorted": [
      "physics.gen-ph"
    ],
    "license": "",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2005-09-07T11:52:20Z",
    "title_canon_sha256": "8bc337a84ba3e5ccdde846f098960c60119c7085dc43889553007ac56867ffac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0509055",
    "kind": "arxiv",
    "version": 1
  }
}