Pith Number

pith:V35Y6SCP

pith:2014:V35Y6SCP7LCJQ4D5QCZW3E3ZFV

not attested not anchored not stored refs pending

Extra Gain:Improved Sparse Channel Estimation Using Reweighted l_1-norm Penalized LMS/F Algorithm

Fumiyuki Adachi, Guan Gui, Li Xu

arxiv:1407.6078 v1 · 2014-07-23 · 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{V35Y6SCP7LCJQ4D5QCZW3E3ZFV}

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	2026-05-18T02:46:59.132062Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aefb8f484ffac498707d80b36d93792d66c5fea49a2ffc5b11b58ea6ca719605

Aliases

arxiv: 1407.6078 · arxiv_version: 1407.6078v1 · doi: 10.48550/arxiv.1407.6078 · pith_short_12: V35Y6SCP7LCJ · pith_short_16: V35Y6SCP7LCJQ4D5 · pith_short_8: V35Y6SCP

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/V35Y6SCP7LCJQ4D5QCZW3E3ZFV \
  | 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: aefb8f484ffac498707d80b36d93792d66c5fea49a2ffc5b11b58ea6ca719605

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94dba926cb7e6d2d5c72c3f52d9387c4f949339732592c741cfde01db567f175",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-07-23T00:50:51Z",
    "title_canon_sha256": "90b52be968eac9f127a0e0e887d6a8c8a40b7ca8633d5eb84a39e028a2f93025"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.6078",
    "kind": "arxiv",
    "version": 1
  }
}