Pith Number

pith:ACT23VOP

pith:2016:ACT23VOPPD6H3GLQSZEUPKRRTU

not attested not anchored not stored refs pending

Separable metamaterials: analytical ab-initio homogenization and chirality

Alessandro Ciattoni, Carlo Rizza, Domenico Rago

arxiv:1603.05019 v2 · 2016-03-16 · 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{ACT23VOPPD6H3GLQSZEUPKRRTU}

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	2026-05-18T00:57:17.004699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00a7add5cf78fc7d9970964947aa319d1f799231769b6dd8c5f425ee96ef5cde

Aliases

arxiv: 1603.05019 · arxiv_version: 1603.05019v2 · doi: 10.48550/arxiv.1603.05019 · pith_short_12: ACT23VOPPD6H · pith_short_16: ACT23VOPPD6H3GLQ · pith_short_8: ACT23VOP

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/ACT23VOPPD6H3GLQSZEUPKRRTU \
  | 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: 00a7add5cf78fc7d9970964947aa319d1f799231769b6dd8c5f425ee96ef5cde

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78625a28ce2813afdeeaed0be40317d2fd5be09d6bed282f813c3d0707da481b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-03-16T10:27:09Z",
    "title_canon_sha256": "79d9b572d6dedde4d8e56f46e47cb1a62b11beeb943b19cc694e5a9b92296393"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05019",
    "kind": "arxiv",
    "version": 2
  }
}