Pith Number

pith:IHMCYHGB

pith:2012:IHMCYHGBVVUQWFCRQ6VSABCSUJ

not attested not anchored not stored refs pending

Robust frequency offset estimator for OFDM over fast varying multipath channel

Li Wei, Xin Xu, Youyun Xu, Yueming Cai

arxiv:1205.6152 v2 · 2012-05-28 · 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{IHMCYHGBVVUQWFCRQ6VSABCSUJ}

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	2026-05-18T01:23:45.739335Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41d82c1cc1ad690b145187ab200452a24476004a42cc5d74aae4fecf2dc18260

Aliases

arxiv: 1205.6152 · arxiv_version: 1205.6152v2 · doi: 10.48550/arxiv.1205.6152 · pith_short_12: IHMCYHGBVVUQ · pith_short_16: IHMCYHGBVVUQWFCR · pith_short_8: IHMCYHGB

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/IHMCYHGBVVUQWFCRQ6VSABCSUJ \
  | 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: 41d82c1cc1ad690b145187ab200452a24476004a42cc5d74aae4fecf2dc18260

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa6177de7eff8565323302de80a4d14ac5c0a795404d725910cdf141e2ba3fc0",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-05-28T16:15:50Z",
    "title_canon_sha256": "b8b585e6d72c696acbe998c92e351a17c65c2fff35d785de5b84a152d6938236"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6152",
    "kind": "arxiv",
    "version": 2
  }
}