Pith Number

pith:EZABTHIP

pith:2011:EZABTHIP2ULEVYP5IEMPAP4FCF

not attested not anchored not stored refs pending

Past Achievements and Future Challenges in 3D Photonic Metamaterials

Costas M. Soukoulis, Martin Wegener

arxiv:1109.0084 v1 · 2011-09-01 · 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{EZABTHIP2ULEVYP5IEMPAP4FCF}

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	2026-05-18T02:00:43.563114Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2640199d0fd5164ae1fd4118f03f85117e103f7c8ccb8f27edc7d2cc32295a1f

Aliases

arxiv: 1109.0084 · arxiv_version: 1109.0084v1 · doi: 10.48550/arxiv.1109.0084 · pith_short_12: EZABTHIP2ULE · pith_short_16: EZABTHIP2ULEVYP5 · pith_short_8: EZABTHIP

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/EZABTHIP2ULEVYP5IEMPAP4FCF \
  | 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: 2640199d0fd5164ae1fd4118f03f85117e103f7c8ccb8f27edc7d2cc32295a1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a819c0a4311ac516ddbcdbc8fcb25065595e3645d8caba3e443b2f579689d21c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-09-01T03:58:06Z",
    "title_canon_sha256": "7037dc052238ac384f891dedb3a9a101be47f8ae24e6ddc12d3b12dde590f637"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.0084",
    "kind": "arxiv",
    "version": 1
  }
}