Pith Number

pith:S6NJHBX4

pith:2015:S6NJHBX4LV35MZEKZH7VGCNRWJ

not attested not anchored not stored refs pending

Gradient Nonlinear Pancharatnam-Berry Metasurfaces

Andrea Al\`u, Jongwon Lee, J. Sebasti\`an Gomez-Diaz, Mikhail A. Belkin, Mykhailo Tymchenko, Nishant Nookala

arxiv:1510.07306 v1 · 2015-10-25 · 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{S6NJHBX4LV35MZEKZH7VGCNRWJ}

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	2026-05-18T01:29:14.422611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

979a9386fc5d77d6648ac9ff5309b1b24a57d6c882c755140d69e79d2ecb3c21

Aliases

arxiv: 1510.07306 · arxiv_version: 1510.07306v1 · doi: 10.48550/arxiv.1510.07306 · pith_short_12: S6NJHBX4LV35 · pith_short_16: S6NJHBX4LV35MZEK · pith_short_8: S6NJHBX4

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/S6NJHBX4LV35MZEKZH7VGCNRWJ \
  | 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: 979a9386fc5d77d6648ac9ff5309b1b24a57d6c882c755140d69e79d2ecb3c21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24f9cb616b5b29e97dace158967b968239ea07671e6736ea110fa0be095e0cc8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-10-25T21:09:17Z",
    "title_canon_sha256": "a7b2f58a2f263a0ad1c09eb4454ab3095e81dac4bfee7e3831fa483538c9c6a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.07306",
    "kind": "arxiv",
    "version": 1
  }
}