Pith Number

pith:FU4RMFNK

pith:2024:FU4RMFNKZ4KMG6GD4SSESVSQEI

not attested not anchored not stored refs pending

Underwater Acoustic Reconfigurable Intelligent Surfaces: from Principle to Practice

Aijun Song, Chun-Hung Liu, Junming Diao, Lina Pu, Yu Luo

arxiv:2412.17865 v1 · 2024-12-21 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FU4RMFNKZ4KMG6GD4SSESVSQEI}

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	2026-07-05T11:32:22.329521Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d391615aacf14c378c3e4a44956502237000248187533afbec2f1c1ddd93af4

Aliases

arxiv: 2412.17865 · arxiv_version: 2412.17865v1 · doi: 10.48550/arxiv.2412.17865 · pith_short_12: FU4RMFNKZ4KM · pith_short_16: FU4RMFNKZ4KMG6GD · pith_short_8: FU4RMFNK

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/FU4RMFNKZ4KMG6GD4SSESVSQEI \
  | 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: 2d391615aacf14c378c3e4a44956502237000248187533afbec2f1c1ddd93af4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "89de14e494b037339233fffa8d94732b24cc270f6ac22866b63e6ce6231823ca",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2024-12-21T03:02:00Z",
    "title_canon_sha256": "4b8685621c68ecbf8ef7c7e9ffa2af9e3552fb0fe39d3d00a6334cbe744c3db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.17865",
    "kind": "arxiv",
    "version": 1
  }
}