Pith Number

pith:S4ORQKUU

pith:2015:S4ORQKUU25ZE2BBW4IT73CISOM

not attested not anchored not stored refs pending

Focused electromagnetic doughnut pulses and their interaction with interfaces and nanostructures

I. J. Youngs, N. I. Zheludev, N. Papasimakis, T. A. Raybould, V. A. Fedotov

arxiv:1512.04285 v1 · 2015-12-14 · 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{S4ORQKUU25ZE2BBW4IT73CISOM}

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	2026-05-18T01:16:44.672099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971d182a94d7724d0436e227fd89127321a21abdf1d27fdeb44abe1ed837780e

Aliases

arxiv: 1512.04285 · arxiv_version: 1512.04285v1 · doi: 10.48550/arxiv.1512.04285 · pith_short_12: S4ORQKUU25ZE · pith_short_16: S4ORQKUU25ZE2BBW · pith_short_8: S4ORQKUU

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/S4ORQKUU25ZE2BBW4IT73CISOM \
  | 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: 971d182a94d7724d0436e227fd89127321a21abdf1d27fdeb44abe1ed837780e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e47c7cb6ac84cff215d0cf5a2e80d42ed2a9e37acdf8c4d92ecfbf20b58ce0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-12-14T12:49:59Z",
    "title_canon_sha256": "af3ac30a1aa414650dbcd68b80d81b6fb3526dca5643fe16b99675ee499b96d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04285",
    "kind": "arxiv",
    "version": 1
  }
}