Pith Number

pith:52CXPOIN

pith:2017:52CXPOINCDZ4EUETVET52EK5D4

not attested not anchored not stored refs pending

A Photonic Crystal Slab Laplace Differentiator

Cheng Guo, Meng Xiao, Momchil Minkov, Shanhui Fan, Yu Shi

arxiv:1711.06337 v1 · 2017-11-16 · 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{52CXPOINCDZ4EUETVET52EK5D4}

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	2026-07-05T00:20:30.323278Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee8577b90d10f3c25093a927dd115d1f0470b2c356f3d4b98129c15db5a237fe

Aliases

arxiv: 1711.06337 · arxiv_version: 1711.06337v1 · doi: 10.48550/arxiv.1711.06337 · pith_short_12: 52CXPOINCDZ4 · pith_short_16: 52CXPOINCDZ4EUET · pith_short_8: 52CXPOIN

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/52CXPOINCDZ4EUETVET52EK5D4 \
  | 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: ee8577b90d10f3c25093a927dd115d1f0470b2c356f3d4b98129c15db5a237fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6bea7d73cadca1becc6d70bfca04f8e0de892f007a8804c6201e1f4e44131caf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-11-16T22:42:49Z",
    "title_canon_sha256": "47dcbd5ebf69e2c4bb99440057406ded56f522c9dcae103e3d548e006369c10d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.06337",
    "kind": "arxiv",
    "version": 1
  }
}