Pith Number

pith:NLBUPH3B

pith:2015:NLBUPH3BMD6WT4D2MY2UMD3M4S

not attested not anchored not stored refs pending

Single and multiband THz Metamaterial Polarizers

Achanta Venu Gopal, Arvind Nagarajan, Bagvanth Reddy Sangala, Goutam Rana, Harshad Surdi, Prathmesh Deshmukh, S. S. Prabhu

arxiv:1502.03657 v1 · 2015-02-12 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NLBUPH3BMD6WT4D2MY2UMD3M4S}

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	2026-07-05T00:33:31.718944Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ac3479f6160fd69f07a6635460f6ce4bd7cb91865e9e04af0e87544af05eaf8

Aliases

arxiv: 1502.03657 · arxiv_version: 1502.03657v1 · doi: 10.48550/arxiv.1502.03657 · pith_short_12: NLBUPH3BMD6W · pith_short_16: NLBUPH3BMD6WT4D2 · pith_short_8: NLBUPH3B

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/NLBUPH3BMD6WT4D2MY2UMD3M4S \
  | 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: 6ac3479f6160fd69f07a6635460f6ce4bd7cb91865e9e04af0e87544af05eaf8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49424b067ee0a4aab9a378c47260079c2dc332923e653df60ed0951ec6c059dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-02-12T13:51:21Z",
    "title_canon_sha256": "2bfa5a90989e12185cc13429920c2a9c6f037b78e7215d8319df085927629943"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.03657",
    "kind": "arxiv",
    "version": 1
  }
}