Pith Number

pith:E3VZMK52

pith:2011:E3VZMK526QO6DUTCPBVJEZXHNA

not attested not anchored not stored refs pending

OFDM pilot allocation for sparse channel estimation

Arash Amini, Farrokh Marvasti, Pooria Pakrooh

arxiv:1106.4507 v1 · 2011-06-22 · 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{E3VZMK526QO6DUTCPBVJEZXHNA}

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	2026-05-18T02:01:31.956894Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26eb962bbaf41de1d262786a9266e768394d0f55adf591ba215b1adcdfd8234d

Aliases

arxiv: 1106.4507 · arxiv_version: 1106.4507v1 · doi: 10.48550/arxiv.1106.4507 · pith_short_12: E3VZMK526QO6 · pith_short_16: E3VZMK526QO6DUTC · pith_short_8: E3VZMK52

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/E3VZMK526QO6DUTCPBVJEZXHNA \
  | 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: 26eb962bbaf41de1d262786a9266e768394d0f55adf591ba215b1adcdfd8234d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3d2bed8829a562ba9774df1e3ae65635ff33d5aee94696107767509cb5064ae3",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-06-22T17:05:46Z",
    "title_canon_sha256": "94747fad3d9a3c43e15b5235497ca1e91d2a93eacb27de29fab12255f79d7562"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.4507",
    "kind": "arxiv",
    "version": 1
  }
}