Pith Number

pith:PT2WK3EQ

pith:2021:PT2WK3EQCXUBPBTJJCHKH2PL4T

not attested not anchored not stored refs pending

Space-Time Metasurfaces for Perfect Power Combining of Waves

Sergei. A. Tretyakov, Shanhui Fan, Viktar S. Asadchy, Xuchen Wang

arxiv:2105.14627 v1 · 2021-05-30 · physics.optics · cond-mat.mtrl-sci

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PT2WK3EQCXUBPBTJJCHKH2PL4T}

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	2026-07-05T02:44:39.500871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cf5656c9015e8178669488ea3e9ebe4d0c7d291ca5f042b46cb54fc8bd8e101

Aliases

arxiv: 2105.14627 · arxiv_version: 2105.14627v1 · doi: 10.48550/arxiv.2105.14627 · pith_short_12: PT2WK3EQCXUB · pith_short_16: PT2WK3EQCXUBPBTJ · pith_short_8: PT2WK3EQ

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/PT2WK3EQCXUBPBTJJCHKH2PL4T \
  | 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: 7cf5656c9015e8178669488ea3e9ebe4d0c7d291ca5f042b46cb54fc8bd8e101

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c3ca57de64998812a18293a70dc1d1cf17083072008d3009762c86bd757e902",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2021-05-30T21:23:18Z",
    "title_canon_sha256": "7a6d215fb9f2fe7c9bac164493a490c99eabd4baac8b6b422179d72985f48a08"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.14627",
    "kind": "arxiv",
    "version": 1
  }
}