Pith Number

pith:NTW5APCA

pith:2015:NTW5APCAO7Y6FSXFI4APSWRQQV

not attested not anchored not stored refs pending

High-quality photonic crystals with a nearly complete band gap obtained by direct inversion of woodpile templates with titanium dioxide

Catherine Marichy, Frank Scheffold, Luis S. Froufe-P\'erez, Nicolas Muller

arxiv:1510.08199 v1 · 2015-10-28 · 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{NTW5APCAO7Y6FSXFI4APSWRQQV}

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	2026-05-18T00:36:48.086058Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cedd03c4077f1e2cae54700f95a308553b2d2270df21c673b4d790c8ee9b1fb

Aliases

arxiv: 1510.08199 · arxiv_version: 1510.08199v1 · doi: 10.48550/arxiv.1510.08199 · pith_short_12: NTW5APCAO7Y6 · pith_short_16: NTW5APCAO7Y6FSXF · pith_short_8: NTW5APCA

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/NTW5APCAO7Y6FSXFI4APSWRQQV \
  | 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: 6cedd03c4077f1e2cae54700f95a308553b2d2270df21c673b4d790c8ee9b1fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d83f660b0bf168601659a1e07987522fd10f8a0f7f70f0717b999fc9890e569",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-28T06:03:25Z",
    "title_canon_sha256": "3bdbb06363792c35f44e805d81b41655b138807a6688f78583eea45f1989b779"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.08199",
    "kind": "arxiv",
    "version": 1
  }
}