Pith Number

pith:BP6WCRQY

pith:2018:BP6WCRQY5IMPYNJLGKZOUA4G4D

not attested not anchored not stored refs pending

Ultra-wideband THz/IR Metamaterial Absorber based on Doped Silicon

Danhua Peng, Fangjing Hu, Huafeng Liu, Kai Luo, Liangcheng Tu

arxiv:1809.09400 v2 · 2018-09-25 · physics.optics · 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{BP6WCRQY5IMPYNJLGKZOUA4G4D}

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	2026-05-17T23:55:11.682574Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bfd614618ea18fc352b32b2ea0386e0ccc6acdf802ea9ae1373ecfb472b3b70

Aliases

arxiv: 1809.09400 · arxiv_version: 1809.09400v2 · doi: 10.48550/arxiv.1809.09400 · pith_short_12: BP6WCRQY5IMP · pith_short_16: BP6WCRQY5IMPYNJL · pith_short_8: BP6WCRQY

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/BP6WCRQY5IMPYNJLGKZOUA4G4D \
  | 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: 0bfd614618ea18fc352b32b2ea0386e0ccc6acdf802ea9ae1373ecfb472b3b70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e68e56bd0dac9eae1a86a28718ba19fd5ff9c052788035eed2e30b435561e59",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-09-25T10:41:15Z",
    "title_canon_sha256": "21a2bb937c82e8825327c1d0cedb407e82c3a3c33bc7ebe096d3a78aff2c871e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09400",
    "kind": "arxiv",
    "version": 2
  }
}