Pith Number

pith:EROSPOSK

pith:2019:EROSPOSK7DBTM3V2D447KGYSWT

not attested not anchored not stored refs pending

Programmable Metasurface-based RF Chain-free 8PSK Wireless Transmitter

Jun Yan Dai, Kai-Kit Wong, Mingzheng Chen, Qiang Cheng, Shi Jin, Tie Jun Cui, Wankai Tang, Xiang Li

arxiv:1903.03060 v2 · 2019-02-27 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EROSPOSK7DBTM3V2D447KGYSWT}

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	2026-05-17T23:47:43.747295Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

245d27ba4af8c3366eba1f39f51b12b4d001fce873369baffe44d2a424acc151

Aliases

arxiv: 1903.03060 · arxiv_version: 1903.03060v2 · doi: 10.48550/arxiv.1903.03060 · pith_short_12: EROSPOSK7DBT · pith_short_16: EROSPOSK7DBTM3V2 · pith_short_8: EROSPOSK

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/EROSPOSK7DBTM3V2D447KGYSWT \
  | 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: 245d27ba4af8c3366eba1f39f51b12b4d001fce873369baffe44d2a424acc151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "019ce315b9bb70c2afe351fe35b0d5b7931f9cbef95667405e2b503d43342f17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-27T09:15:08Z",
    "title_canon_sha256": "af8f9a82f59ae5735c1d59a50313d42e456f283b37fb7d424b8d2da168aa74ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.03060",
    "kind": "arxiv",
    "version": 2
  }
}