Pith Number

pith:5VHAFCSZ

pith:2021:5VHAFCSZNLFIMW2O4DXS2EHE6L

not attested not anchored not stored refs pending

Willis coupling-induced acoustic radiation force and torque reversal

David A. Powell, Sebastian Oberst, Shahrokh Sepehrirahnama, Yan Kei Chiang

arxiv:2110.01354 v2 · 2021-10-04 · physics.app-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{5VHAFCSZNLFIMW2O4DXS2EHE6L}

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	2026-07-05T03:56:31.336789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed4e028a596aca865b4ee0ef2d10e4f2ce728231ecb6c7886bcb7b43cd72d99f

Aliases

arxiv: 2110.01354 · arxiv_version: 2110.01354v2 · doi: 10.48550/arxiv.2110.01354 · pith_short_12: 5VHAFCSZNLFI · pith_short_16: 5VHAFCSZNLFIMW2O · pith_short_8: 5VHAFCSZ

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/5VHAFCSZNLFIMW2O4DXS2EHE6L \
  | 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: ed4e028a596aca865b4ee0ef2d10e4f2ce728231ecb6c7886bcb7b43cd72d99f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd58b39529f3664a21b6486832158fbbf283fec478b6e8ccf0608e0746f1b84d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2021-10-04T12:00:37Z",
    "title_canon_sha256": "4787f811300241dc9ea49c401325e8bf25b0a737997e7bfea48ee0328952206f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.01354",
    "kind": "arxiv",
    "version": 2
  }
}