Pith Number

pith:G2AV5RQW

pith:2015:G2AV5RQWRFIJIBGR5OWPSYAAC2

not attested not anchored not stored refs pending

Block-Level Unitary Query: Incorporating Orthogonal-like Space-time Code with Query Diversity for MIMO Backscatter RFID

Chen He, Victor C.M. Leung, Z. Jane Wang

arxiv:1502.04933 v1 · 2015-02-17 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G2AV5RQWRFIJIBGR5OWPSYAAC2}

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	2026-05-18T02:26:53.492072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36815ec61689509404d1ebacf96000168cd3e2739c10a65e935bd2c3192ad8a0

Aliases

arxiv: 1502.04933 · arxiv_version: 1502.04933v1 · doi: 10.48550/arxiv.1502.04933 · pith_short_12: G2AV5RQWRFIJ · pith_short_16: G2AV5RQWRFIJIBGR · pith_short_8: G2AV5RQW

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/G2AV5RQWRFIJIBGR5OWPSYAAC2 \
  | 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: 36815ec61689509404d1ebacf96000168cd3e2739c10a65e935bd2c3192ad8a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c83e20e7c957db1975fd2177f6e13c1c7d59b2a15f0c8d89533b8a73806d938",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-17T15:49:56Z",
    "title_canon_sha256": "2fe4fa4e63ecc42d8262298fd51b79886455d3455a6582fac58525ceb73cd0c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.04933",
    "kind": "arxiv",
    "version": 1
  }
}