Pith Number

pith:SE6OAQPY

pith:2021:SE6OAQPYFJSP3FCUFAATV2ILIR

not attested not anchored not stored refs pending

Channel Estimation for Intelligent Reflecting Surface Assisted Backscatter Communication

Changsheng You, Chau Yuen, Rui Zhang, Samith Abeywickrama

arxiv:2103.08836 v1 · 2021-03-16 · cs.IT · cs.NI · 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{SE6OAQPYFJSP3FCUFAATV2ILIR}

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	2026-07-05T02:23:32.172567Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

913ce041f82a64fd945428013ae90b444f8394c323522b0f614d09f9ecdda9f1

Aliases

arxiv: 2103.08836 · arxiv_version: 2103.08836v1 · doi: 10.48550/arxiv.2103.08836 · pith_short_12: SE6OAQPYFJSP · pith_short_16: SE6OAQPYFJSP3FCU · pith_short_8: SE6OAQPY

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/SE6OAQPYFJSP3FCUFAATV2ILIR \
  | 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: 913ce041f82a64fd945428013ae90b444f8394c323522b0f614d09f9ecdda9f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e642cb5f73820599a54d9ebc2125700f65702e1c5158101a62246bfcfdc5596c",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2021-03-16T03:42:41Z",
    "title_canon_sha256": "efc083ca785088b9d153df43672a5f8a97a6ec9100da5720c49bdcfcb3157432"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.08836",
    "kind": "arxiv",
    "version": 1
  }
}