Pith Number

pith:HWUUBQR2

pith:2026:HWUUBQR2MEJQ6U47VWZEZ3SFUB

not attested not anchored not stored refs pending

Determination of acoustic nonlinearity parameters using thermal modulation of ultrasonic waves

Hongbin Sun, Jinying Zhu

arxiv:2608.07685 v1 · 2026-08-07 · physics.app-ph · cond-mat.mtrl-sci · physics.ins-det

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWUUBQR2MEJQ6U47VWZEZ3SFUB}

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	2026-08-11T00:15:41.801740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3da940c23a61130f539fadb24cee45a07d7b0cff8a5a84847d87f8aef99cec9d

Aliases

arxiv: 2608.07685 · arxiv_version: 2608.07685v1 · doi: 10.48550/arxiv.2608.07685 · pith_short_12: HWUUBQR2MEJQ · pith_short_16: HWUUBQR2MEJQ6U47 · pith_short_8: HWUUBQR2

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/HWUUBQR2MEJQ6U47VWZEZ3SFUB \
  | 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: 3da940c23a61130f539fadb24cee45a07d7b0cff8a5a84847d87f8aef99cec9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0615238dcf5047fa8c0671f9245cd163b6ce0f848dcd7a51f3748762e539f2dc",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "physics.ins-det"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2026-08-07T18:14:38Z",
    "title_canon_sha256": "2fe5d88607fd978cf834149f946b833204daf46e5cbb8d19a8ddf5d1ba0c0422"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.07685",
    "kind": "arxiv",
    "version": 1
  }
}