Pith Number

pith:R4ENT3TG

pith:2017:R4ENT3TGDI56G6M7ERM3PC7W7I

not attested not anchored not stored refs pending

Janus and Huygens' dipolar sources for near-field directionality

Anatoly V. Zayats, Francisco J. Rodr\'iguez-Fortu\~no, Michela F. Picardi

arxiv:1708.02494 v2 · 2017-08-08 · 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{R4ENT3TGDI56G6M7ERM3PC7W7I}

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	2026-05-18T00:20:39.315733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f08d9ee661a3be3799f2459b78bf6fa19be9d565f6b1b5aecd015bc51fc275a

Aliases

arxiv: 1708.02494 · arxiv_version: 1708.02494v2 · doi: 10.48550/arxiv.1708.02494 · pith_short_12: R4ENT3TGDI56 · pith_short_16: R4ENT3TGDI56G6M7 · pith_short_8: R4ENT3TG

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/R4ENT3TGDI56G6M7ERM3PC7W7I \
  | 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: 8f08d9ee661a3be3799f2459b78bf6fa19be9d565f6b1b5aecd015bc51fc275a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23452a69de4d159a6d87c1e28a15e0c53dd6cd3f21c100997dff2f70c1aad0c1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2017-08-08T14:05:01Z",
    "title_canon_sha256": "27cc664c1b0394c94fb5d4f8761ca5aad7636f1a2e5782540ea081e27a956204"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.02494",
    "kind": "arxiv",
    "version": 2
  }
}