Pith Number

pith:6SVLCDAY

pith:2023:6SVLCDAYO4GFO3K3HJSMBBBM7D

not attested not anchored not stored refs pending

Optimizing multi-user indoor sound communications with acoustic reconfigurable metasurfaces

Guancong Ma, Hongkuan Zhang, Mathias Fink, Qiyuan Wang

arxiv:2308.01531 v2 · 2023-08-03 · cs.SD · eess.AS · 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{6SVLCDAYO4GFO3K3HJSMBBBM7D}

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	2026-07-05T07:43:32.489149Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4aab10c18770c576d5b3a64c0842cf8e13189c9e087edd285822d7b89b64bae

Aliases

arxiv: 2308.01531 · arxiv_version: 2308.01531v2 · doi: 10.48550/arxiv.2308.01531 · pith_short_12: 6SVLCDAYO4GF · pith_short_16: 6SVLCDAYO4GFO3K3 · pith_short_8: 6SVLCDAY

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/6SVLCDAYO4GFO3K3HJSMBBBM7D \
  | 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: f4aab10c18770c576d5b3a64c0842cf8e13189c9e087edd285822d7b89b64bae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91c7ee962de2183e0719e24a41b1f1e382f8add926c73fc66b40aec8dc9de48e",
    "cross_cats_sorted": [
      "eess.AS",
      "physics.app-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2023-08-03T04:10:12Z",
    "title_canon_sha256": "0d74107766cfc963dd2fb6651fae6e883d60ec482de74bb1614d10714d19cd61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.01531",
    "kind": "arxiv",
    "version": 2
  }
}