Pith Number

pith:GXD66VH5

pith:2015:GXD66VH5HYXLMJ4WR6IWL5TRCE

not attested not anchored not stored refs pending

Proportionate Adaptive Filtering for Block Sparse System Identification

Jianming Liu, Steven L. Grant

arxiv:1508.04172 v2 · 2015-08-17 · 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{GXD66VH5HYXLMJ4WR6IWL5TRCE}

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	2026-05-18T01:25:46.733070Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35c7ef54fd3e2eb627968f9165f671110f682be1e4a22a9c6ac916d4a67347ee

Aliases

arxiv: 1508.04172 · arxiv_version: 1508.04172v2 · doi: 10.48550/arxiv.1508.04172 · pith_short_12: GXD66VH5HYXL · pith_short_16: GXD66VH5HYXLMJ4W · pith_short_8: GXD66VH5

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/GXD66VH5HYXLMJ4WR6IWL5TRCE \
  | 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: 35c7ef54fd3e2eb627968f9165f671110f682be1e4a22a9c6ac916d4a67347ee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3c728de95b8bb2aa253fa14a9d405880fd1c296c87fc7bea0fb63819fb63874",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-17T22:47:19Z",
    "title_canon_sha256": "08c2793bb02f0c3c5098a1b10465aa92a8501dc7465989f4cc0a2df3f6b738e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.04172",
    "kind": "arxiv",
    "version": 2
  }
}