Pith Number

pith:PIGRMOOX

pith:2017:PIGRMOOX2XY3KE4SA5JILUI2UK

not attested not anchored not stored refs pending

All-angle Negative Reflection with An Ultrathin Acoustic Gradient Metasurface: Floquet-Bloch Modes Perspective and Experimental Verification

Bingyi Liu, Jiajun Zhao, Wenyu Zhao, Xiaodong Xu, Yongyuan Jiang

arxiv:1707.00072 v2 · 2017-07-01 · physics.class-ph · 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{PIGRMOOX2XY3KE4SA5JILUI2UK}

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	2026-07-05T00:42:16.904966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a0d1639d7d5f1b51392075285d11aa298993fd4035155311f3a6331a58c2e04

Aliases

arxiv: 1707.00072 · arxiv_version: 1707.00072v2 · doi: 10.48550/arxiv.1707.00072 · pith_short_12: PIGRMOOX2XY3 · pith_short_16: PIGRMOOX2XY3KE4S · pith_short_8: PIGRMOOX

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/PIGRMOOX2XY3KE4SA5JILUI2UK \
  | 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: 7a0d1639d7d5f1b51392075285d11aa298993fd4035155311f3a6331a58c2e04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10f227a4051a857b66ffc419ced34b743c0fa06e84ba81578df284d5f57550f6",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-07-01T00:25:30Z",
    "title_canon_sha256": "8987ced74638af963c26372a7c85e771e34112e802d47def49fe08e17cd35ca1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.00072",
    "kind": "arxiv",
    "version": 2
  }
}