Pith Number

pith:N6QUMRVL

pith:2016:N6QUMRVL43O3ZXPUMNWVHD2WV2

not attested not anchored not stored refs pending

Time reversal constraint limits unidirectional photon emission in slow-light photonic crystals

Ben Lang, Daryl M. Beggs, Ruth Oulton

arxiv:1601.04591 v2 · 2016-01-18 · 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{N6QUMRVL43O3ZXPUMNWVHD2WV2}

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	2026-05-18T01:10:32.684382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fa14646abe6ddbcddf4636d538f56ae8b32abee5127ad456f62a68a59feba59

Aliases

arxiv: 1601.04591 · arxiv_version: 1601.04591v2 · doi: 10.48550/arxiv.1601.04591 · pith_short_12: N6QUMRVL43O3 · pith_short_16: N6QUMRVL43O3ZXPU · pith_short_8: N6QUMRVL

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/N6QUMRVL43O3ZXPUMNWVHD2WV2 \
  | 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: 6fa14646abe6ddbcddf4636d538f56ae8b32abee5127ad456f62a68a59feba59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2fd5e3dd4febd288b438b5fff7aacc769ec8dffd3c4dbea3b27b4c7ebe4209c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-01-18T16:32:45Z",
    "title_canon_sha256": "8bd27c27acc55f766b1686c51ad7a0b0d3c7247d1a3ed6c3f79ef3786a18bdb7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.04591",
    "kind": "arxiv",
    "version": 2
  }
}