Pith Number

pith:5PSQAYJY

pith:2017:5PSQAYJYBBEOVTE4LARGFZ54LA

not attested not anchored not stored refs pending

Topology optimization of broadband hyperbolic elastic metamaterials with super-resolution imaging

Chuanzeng Zhang, Hao-Wen Dong, Sheng-Dong Zhao, Yue-Sheng Wang

arxiv:1703.03298 v1 · 2017-02-22 · 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{5PSQAYJYBBEOVTE4LARGFZ54LA}

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	2026-05-18T00:01:19.805179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ebe50061380848eacc9c582262e7bc583b33779a3b18a0a26f49f9ac2a07140b

Aliases

arxiv: 1703.03298 · arxiv_version: 1703.03298v1 · doi: 10.48550/arxiv.1703.03298 · pith_short_12: 5PSQAYJYBBEO · pith_short_16: 5PSQAYJYBBEOVTE4 · pith_short_8: 5PSQAYJY

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/5PSQAYJYBBEOVTE4LARGFZ54LA \
  | 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: ebe50061380848eacc9c582262e7bc583b33779a3b18a0a26f49f9ac2a07140b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9cbf5f310df6f88db6c5fba001ad9154a49ae2d210f5d861e1f11be45922433",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-02-22T02:56:09Z",
    "title_canon_sha256": "087af9cd81350ca13c9eaf6a77bd777f40b28cbe6dc59525147206e5e26971c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03298",
    "kind": "arxiv",
    "version": 1
  }
}