Pith Number

pith:KMYBX665

pith:2015:KMYBX665NQUXHZNLDVRHXKJSZA

not attested not anchored not stored refs pending

An Improved DFT-based Channel Estimation for Mobile Communication Systems

C. Yang, H. Yu

arxiv:1504.07510 v1 · 2015-04-28 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KMYBX665NQUXHZNLDVRHXKJSZA}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:17:34.511971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53301bfbdd6c2973e5ab1d627ba932c81a77c5ebc72135c9562989e1a8938ccf

Aliases

arxiv: 1504.07510 · arxiv_version: 1504.07510v1 · doi: 10.48550/arxiv.1504.07510 · pith_short_12: KMYBX665NQUX · pith_short_16: KMYBX665NQUXHZNL · pith_short_8: KMYBX665

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/KMYBX665NQUXHZNLDVRHXKJSZA \
  | 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: 53301bfbdd6c2973e5ab1d627ba932c81a77c5ebc72135c9562989e1a8938ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82d51111248385b676f6c0cbfaf6a7be4f9459e9ec856473fa2b2c2bdb5cbd4e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-04-28T14:48:57Z",
    "title_canon_sha256": "0bf161b2b92d75bc4ec252b5d9aa232ed98dc27f834f89e4b25ba43b0baf3d06"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07510",
    "kind": "arxiv",
    "version": 1
  }
}