Pith Number

pith:3ZI2WGQY

pith:2017:3ZI2WGQYEA3GHGDYSVHMCGJA6L

not attested not anchored not stored refs pending

Frequency Offset Estimation for OFDM Systems with a Novel Frequency Domain Training Sequence

Xiaohu You, Xiqi Gao, Yanxiang Jiang

arxiv:1703.07089 v1 · 2017-03-21 · 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{3ZI2WGQYEA3GHGDYSVHMCGJA6L}

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	2026-05-18T00:48:11.369050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de51ab1a182036639878954ec11920f2dcbf060dce8b90b2abc39629054a409c

Aliases

arxiv: 1703.07089 · arxiv_version: 1703.07089v1 · doi: 10.48550/arxiv.1703.07089 · pith_short_12: 3ZI2WGQYEA3G · pith_short_16: 3ZI2WGQYEA3GHGDY · pith_short_8: 3ZI2WGQY

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/3ZI2WGQYEA3GHGDYSVHMCGJA6L \
  | 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: de51ab1a182036639878954ec11920f2dcbf060dce8b90b2abc39629054a409c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7785fd4964d5c87844cf8a6a088b04d56dcf3025e8546a48814c7c558c10e83e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-03-21T08:23:21Z",
    "title_canon_sha256": "ac47ea1a5da4ca5f70b1e5ecbc1f7653e9772fb42b4fa132ec702755628bc6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07089",
    "kind": "arxiv",
    "version": 1
  }
}