Pith Number

pith:JSFVR25B

pith:2016:JSFVR25BWMMENL4F25BUM5GKL3

not attested not anchored not stored refs pending

Tunable Focusing by a Flexible Metasurface

David A. Powell, Ilya V. Shadrivov, Yair Z\'arate

arxiv:1604.04937 v1 · 2016-04-17 · 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{JSFVR25BWMMENL4F25BUM5GKL3}

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	2026-05-18T00:35:35.802830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4c8b58eba1b31846af85d7434674ca5ee6376c85bde3d5735a3f58285f61be87

Aliases

arxiv: 1604.04937 · arxiv_version: 1604.04937v1 · doi: 10.48550/arxiv.1604.04937 · pith_short_12: JSFVR25BWMME · pith_short_16: JSFVR25BWMMENL4F · pith_short_8: JSFVR25B

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/JSFVR25BWMMENL4F25BUM5GKL3 \
  | 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: 4c8b58eba1b31846af85d7434674ca5ee6376c85bde3d5735a3f58285f61be87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbcf204a264c9bce719516ff1fe6f712ba12a82a412bbdf01bd792658526892b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-04-17T23:02:14Z",
    "title_canon_sha256": "2d610b9202770f01fa34f803eaa1ca1438821a247ab0dddd108870fdd6539ffc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.04937",
    "kind": "arxiv",
    "version": 1
  }
}