Pith Number

pith:OW5NDV2A

pith:2015:OW5NDV2ATBHYSKTVTBWO2EVC25

not attested not anchored not stored refs pending

Space-time gradient metasurfaces

A. Alu, D. L. Sounas, Y. Hadad

arxiv:1506.00690 v1 · 2015-06-01 · cond-mat.mes-hall · 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{OW5NDV2ATBHYSKTVTBWO2EVC25}

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	2026-05-18T01:31:38.632814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75bad1d740984f892a75986ced12a2d779af6b94474036c6a4903a459c57ea9f

Aliases

arxiv: 1506.00690 · arxiv_version: 1506.00690v1 · doi: 10.48550/arxiv.1506.00690 · pith_short_12: OW5NDV2ATBHY · pith_short_16: OW5NDV2ATBHYSKTV · pith_short_8: OW5NDV2A

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/OW5NDV2ATBHYSKTVTBWO2EVC25 \
  | 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: 75bad1d740984f892a75986ced12a2d779af6b94474036c6a4903a459c57ea9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d75a1e7f79783b8288cd3e5bded2642fe885127a06384bf6671638126c1590",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mes-hall",
    "submitted_at": "2015-06-01T22:03:49Z",
    "title_canon_sha256": "86f9709df8019d7e806e80c0cbb26dfb8b4505495d41453026fcf8ef38089f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.00690",
    "kind": "arxiv",
    "version": 1
  }
}