Pith Number

pith:ZLDIQ4WU

pith:2018:ZLDIQ4WUAV5N7XYYULGS2ODTYN

not attested not anchored not stored refs pending

Flat-band localization and self-collimation of light in photonic crystals

Ajith Ramachandran, Elefterios Lidorikis, Hee Chul Park, Jung-Wan Ryu, Nojoon Myoung

arxiv:1801.08671 v1 · 2018-01-26 · 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{ZLDIQ4WUAV5N7XYYULGS2ODTYN}

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	2026-05-17T23:52:18.635833Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cac68872d4057adfdf18a2cd2d3873c37f24bf19cca7922f12310e87664799dd

Aliases

arxiv: 1801.08671 · arxiv_version: 1801.08671v1 · doi: 10.48550/arxiv.1801.08671 · pith_short_12: ZLDIQ4WUAV5N · pith_short_16: ZLDIQ4WUAV5N7XYY · pith_short_8: ZLDIQ4WU

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/ZLDIQ4WUAV5N7XYYULGS2ODTYN \
  | 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: cac68872d4057adfdf18a2cd2d3873c37f24bf19cca7922f12310e87664799dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb8398e85b4a0fc08cfc2a03d55fb9c7f58813cd2d92564d784c62bca860b07f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2018-01-26T04:38:19Z",
    "title_canon_sha256": "53392d60ecad9fe856c6ca0c7aeb3a74459a411d789bff746885672d548362d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08671",
    "kind": "arxiv",
    "version": 1
  }
}