Pith Number

pith:S7FXYCFR

pith:2023:S7FXYCFR56ADG7DKZOIQAX4GYG

not attested not anchored not stored refs pending

Gradient Impedance Matching Layers Enable Broadband Water-Air Sound Transmission

Han Jia, Jun Yang, Peng Zhang, Ping Zhou, Yafeng Bi, Yunhan Yang, Yuzhen Yang

arxiv:2305.07896 v1 · 2023-05-13 · 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{S7FXYCFR56ADG7DKZOIQAX4GYG}

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.

Cited by

1 paper in Pith

Total acoustic transmission between fluids using a solid material with emphasis on the air-water interface

Receipt and verification

First computed	2026-07-05T06:09:55.339458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97cb7c08b1ef80337c6acb91005f86c18ea1b01cc195f0ec4f0e03c3a0c30f4b

Aliases

arxiv: 2305.07896 · arxiv_version: 2305.07896v1 · doi: 10.48550/arxiv.2305.07896 · pith_short_12: S7FXYCFR56AD · pith_short_16: S7FXYCFR56ADG7DK · pith_short_8: S7FXYCFR

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/S7FXYCFR56ADG7DKZOIQAX4GYG \
  | 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: 97cb7c08b1ef80337c6acb91005f86c18ea1b01cc195f0ec4f0e03c3a0c30f4b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9cd1e11a45211a8d6f5e74b7e15edf1a0ecc150138ac25a684215d09c3a4b9d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2023-05-13T11:33:26Z",
    "title_canon_sha256": "8aeddb1e9b05c1812668054db98a657d0025cb2ca90bbe7df096bbdef3e472c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2305.07896",
    "kind": "arxiv",
    "version": 1
  }
}