Pith Number

pith:NQGJLUU3

pith:2016:NQGJLUU32EXDPQEUKSSOLD2C6Y

not attested not anchored not stored refs pending

Non-Hermitian acoustic metamaterial for the complete control of sound by accessing the exceptional points

Bin Liang, Jian-Chun Cheng, Jing Yang, Xin-ye Zou, Xu-Dong Fan, Xue-Feng Zhu, Yi-Fan Zhu

arxiv:1605.04765 v1 · 2016-05-16 · 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{NQGJLUU32EXDPQEUKSSOLD2C6Y}

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	2026-05-18T01:14:46.301518Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c0c95d29bd12e37c09454a4e58f42f62b4eeff4a4285ac9875bbb7a868cffb6

Aliases

arxiv: 1605.04765 · arxiv_version: 1605.04765v1 · doi: 10.48550/arxiv.1605.04765 · pith_short_12: NQGJLUU32EXD · pith_short_16: NQGJLUU32EXDPQEU · pith_short_8: NQGJLUU3

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/NQGJLUU32EXDPQEUKSSOLD2C6Y \
  | 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: 6c0c95d29bd12e37c09454a4e58f42f62b4eeff4a4285ac9875bbb7a868cffb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70ce2dfa94e8707ea2cea3908b6d4af15e5a6d17a8cc8667e0e8ad47b36c57ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2016-05-16T13:22:38Z",
    "title_canon_sha256": "f83e377e80cf094443265d38e45aeb7e18e3f8df499947974b217145b0ead25d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.04765",
    "kind": "arxiv",
    "version": 1
  }
}