Pith Number

pith:2JIGAIXI

pith:2018:2JIGAIXI2Q77OZNSNUPSZQCIOO

not attested not anchored not stored refs pending

Topological-charge dependence of radiation torque for an acoustic-vortex spanner

Dong Zhang, Gepu Guo, Juan Tu, Oleg A. Sapozhnikov, Qingyu Ma, Thomas J. Matula, Xiasheng Guo, Yuzhi Li

arxiv:1801.06780 v1 · 2018-01-21 · 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{2JIGAIXI2Q77OZNSNUPSZQCIOO}

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	2026-05-18T00:25:27.771686Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2506022e8d43ff765b26d1f2cc04873a0ff66bd49ab67641a573c7b6676ed60

Aliases

arxiv: 1801.06780 · arxiv_version: 1801.06780v1 · doi: 10.48550/arxiv.1801.06780 · pith_short_12: 2JIGAIXI2Q77 · pith_short_16: 2JIGAIXI2Q77OZNS · pith_short_8: 2JIGAIXI

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/2JIGAIXI2Q77OZNSNUPSZQCIOO \
  | 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: d2506022e8d43ff765b26d1f2cc04873a0ff66bd49ab67641a573c7b6676ed60

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0829254921e869ed2e969619728adf62f9693b09086dfd13955fd1c98ec90462",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2018-01-21T07:36:45Z",
    "title_canon_sha256": "056e6b03aa4c708068a061bc25701707581cd8308fc9158f0f164fd950d9ef8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.06780",
    "kind": "arxiv",
    "version": 1
  }
}