Pith Number

pith:IMDV553V

pith:2021:IMDV553VHH5OH6DXOWVSWZCYJZ

not attested not anchored not stored refs pending

Sound induced by a simple impact oscillator

Kartik Venkatraman, S. P. Narla

arxiv:2108.12804 v1 · 2021-08-29 · physics.flu-dyn · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IMDV553VHH5OH6DXOWVSWZCYJZ}

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	2026-07-05T03:09:35.787355Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43075ef77539fae3f87775ab2b64584e7c57ff9c6289c75f5f525375159e6a76

Aliases

arxiv: 2108.12804 · arxiv_version: 2108.12804v1 · doi: 10.48550/arxiv.2108.12804 · pith_short_12: IMDV553VHH5O · pith_short_16: IMDV553VHH5OH6DX · pith_short_8: IMDV553V

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/IMDV553VHH5OH6DXOWVSWZCYJZ \
  | 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: 43075ef77539fae3f87775ab2b64584e7c57ff9c6289c75f5f525375159e6a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5feea54450027a4ea1b1a8bc5e9d07dac69a91262288a4c689aa9d1e052a4954",
    "cross_cats_sorted": [
      "nlin.CD"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2021-08-29T10:01:28Z",
    "title_canon_sha256": "8aa1f19080fed067add9d00c0830237e23ba790a60da1980a1d72e0df03a63bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.12804",
    "kind": "arxiv",
    "version": 1
  }
}