Pith Number

pith:PNBKFD4L

pith:2017:PNBKFD4L7FLGLK2BD5UPAE5SIH

not attested not anchored not stored refs pending

Subband adaptive filter trained by differential evolution for channel estimation

Haiquan Zhao, Lu Lu

arxiv:1701.08407 v3 · 2017-01-29 · 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{PNBKFD4L7FLGLK2BD5UPAE5SIH}

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	2026-05-18T00:48:32.403970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b42a28f8bf95665ab411f68f013b241ddebb45785e33bdbeb96914137fb2f9d

Aliases

arxiv: 1701.08407 · arxiv_version: 1701.08407v3 · doi: 10.48550/arxiv.1701.08407 · pith_short_12: PNBKFD4L7FLG · pith_short_16: PNBKFD4L7FLGLK2B · pith_short_8: PNBKFD4L

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/PNBKFD4L7FLGLK2BD5UPAE5SIH \
  | 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: 7b42a28f8bf95665ab411f68f013b241ddebb45785e33bdbeb96914137fb2f9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d61402c80e76b6c9e769c2e2e60079a13494ec784aa428768d26bce3aaaaa812",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-01-29T17:30:53Z",
    "title_canon_sha256": "c0d36d7585925aaf94a8b3f7786ca648c359967943cc2862b577b87bf17a4ea5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.08407",
    "kind": "arxiv",
    "version": 3
  }
}