Pith Number

pith:ODLJFK4K

pith:2017:ODLJFK4KGIAKIHP5VNIWROLBH3

not attested not anchored not stored refs pending

Ultra-thin Acoustic Metasurface-Based Schroeder Diffuser

Bin Liang, Jianchun Cheng, Xudong Fan, Yifan Zhu, Yun Jing

arxiv:1701.08908 v1 · 2017-01-31 · physics.class-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{ODLJFK4KGIAKIHP5VNIWROLBH3}

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	2026-05-18T00:42:29.835613Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70d692ab8a3200a41dfdab5168b9613ecbd737a6b19f91aa88850922f3bb601a

Aliases

arxiv: 1701.08908 · arxiv_version: 1701.08908v1 · doi: 10.48550/arxiv.1701.08908 · pith_short_12: ODLJFK4KGIAK · pith_short_16: ODLJFK4KGIAKIHP5 · pith_short_8: ODLJFK4K

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/ODLJFK4KGIAKIHP5VNIWROLBH3 \
  | 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: 70d692ab8a3200a41dfdab5168b9613ecbd737a6b19f91aa88850922f3bb601a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "190b0bd594c24d36d11606f78a0537d9fecc045e1d34443fe80e55360f6694ae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-01-31T03:58:28Z",
    "title_canon_sha256": "94b515ede22034cc222ecd8c2ff9a7ef11d1dba025412183a605f1894d1bc8b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08908",
    "kind": "arxiv",
    "version": 1
  }
}