Pith Number

pith:4VHIZAZV

pith:2021:4VHIZAZVALCTWSU6EM6VCLVGVK

not attested not anchored not stored refs pending

Fast Electromagnetic Validations of Large-Scale Digital Coding Metasurfaces Accelerated by Recurrence Rebuild and Retrieval Method

Long Li, Shang Xiang, Yu Zhao

arxiv:2112.05082 v2 · 2021-12-04 · eess.SP · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4VHIZAZVALCTWSU6EM6VCLVGVK}

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	2026-07-05T05:30:05.683274Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e54e8c833502c53b4a9e233d512ea6aaa412deeb21f2057a9f699c12f2eacfc7

Aliases

arxiv: 2112.05082 · arxiv_version: 2112.05082v2 · doi: 10.48550/arxiv.2112.05082 · pith_short_12: 4VHIZAZVALCT · pith_short_16: 4VHIZAZVALCTWSU6 · pith_short_8: 4VHIZAZV

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/4VHIZAZVALCTWSU6EM6VCLVGVK \
  | 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: e54e8c833502c53b4a9e233d512ea6aaa412deeb21f2057a9f699c12f2eacfc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ad409ae5b2d2de379fbed257a95e2ec8773b957348f4600048c32c178fe7111",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-12-04T12:19:44Z",
    "title_canon_sha256": "aa6a7b79b2513f282107b0e01a04247504ccd6291badc49f39f554ce3738dd5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.05082",
    "kind": "arxiv",
    "version": 2
  }
}