Pith Number

pith:IP7OEMOQ

pith:2015:IP7OEMOQPPNZNLCDTAK6DSHDPI

not attested not anchored not stored refs pending

Confinement of Light in Disordered Photonic Lattices: A New Platform for Waveguidance

Bishnu P. Pal, Somnath Ghosh

arxiv:1504.08172 v1 · 2015-04-30 · 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{IP7OEMOQPPNZNLCDTAK6DSHDPI}

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	2026-05-18T02:17:23.146185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43fee231d07bdb96ac439815e1c8e37a28910d79ac380a337aaebb4f7df29642

Aliases

arxiv: 1504.08172 · arxiv_version: 1504.08172v1 · doi: 10.48550/arxiv.1504.08172 · pith_short_12: IP7OEMOQPPNZ · pith_short_16: IP7OEMOQPPNZNLCD · pith_short_8: IP7OEMOQ

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/IP7OEMOQPPNZNLCDTAK6DSHDPI \
  | 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: 43fee231d07bdb96ac439815e1c8e37a28910d79ac380a337aaebb4f7df29642

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d065e200f174a829e2a562255c8c3a159852f6a0fdcb14de7c9394c197d19d0f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-30T11:37:02Z",
    "title_canon_sha256": "4d6336ba40531b8d1e30ca343980b866e7124b983284e6a8c29a1415be890de0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08172",
    "kind": "arxiv",
    "version": 1
  }
}