Pith Number

pith:4GH7BRQ4

pith:2022:4GH7BRQ4WE7LNQKH2R2ZPTN46L

not attested not anchored not stored refs pending

Generalized Space-Time Engineered Modulation (GSTEM) Metamaterials

Amir Bahrami, Christophe Caloz, Oscar C\'espedes Vicente, Zhiyu Li, Zo\'e-Lise Deck-L\'eger

arxiv:2207.06539 v2 · 2022-07-13 · 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{4GH7BRQ4WE7LNQKH2R2ZPTN46L}

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.

Cited by

1 paper in Pith

Electromagnetic Boundary Conditions for Space--time Interfaces

Receipt and verification

First computed	2026-07-05T04:43:03.309259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18ff0c61cb13eb6c147d47597cdbcf2dc03776fa56b885c094ff739cd081a32

Aliases

arxiv: 2207.06539 · arxiv_version: 2207.06539v2 · doi: 10.48550/arxiv.2207.06539 · pith_short_12: 4GH7BRQ4WE7L · pith_short_16: 4GH7BRQ4WE7LNQKH · pith_short_8: 4GH7BRQ4

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/4GH7BRQ4WE7LNQKH2R2ZPTN46L \
  | 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: e18ff0c61cb13eb6c147d47597cdbcf2dc03776fa56b885c094ff739cd081a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2051fa3aedd77d3e9b96e908b3e93d3af995015d68273aeb2bc210d9c65a8998",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2022-07-13T22:51:20Z",
    "title_canon_sha256": "b28bd230e5754a29e2367f89f0a1d81131b29ea7d2d3ef8af3ad587426a1d898"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.06539",
    "kind": "arxiv",
    "version": 2
  }
}