pith. sign in
Pith Number

pith:NM3WTX7G

pith:2013:NM3WTX7GWW2AEBJHUXH5LO3KS6
not attested not anchored not stored refs pending

A Unifying Approach to Quaternion Adaptive Filtering: Addressing the Gradient and Convergence

Cyrus Jahanchahi, Danilo P. Mandic

arxiv:1310.5612 v1 · 2013-10-17 · math.GM

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NM3WTX7GWW2AEBJHUXH5LO3KS6}

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 2026-05-18T03:09:34.779758Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6b3769dfe6b5b4020527a5cfd5bb6a9793eaf7588d48fcde50dbb79164fe0ec2

Aliases

arxiv: 1310.5612 · arxiv_version: 1310.5612v1 · doi: 10.48550/arxiv.1310.5612 · pith_short_12: NM3WTX7GWW2A · pith_short_16: NM3WTX7GWW2AEBJH · pith_short_8: NM3WTX7G
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NM3WTX7GWW2AEBJHUXH5LO3KS6 \
  | 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: 6b3769dfe6b5b4020527a5cfd5bb6a9793eaf7588d48fcde50dbb79164fe0ec2
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "066ad444981245f751613f271aa836261a3e666028c51656d3a9a384dc8e2828",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GM",
    "submitted_at": "2013-10-17T16:35:17Z",
    "title_canon_sha256": "6343d6bafd1a5dae697b2c978321ce1ab6fe79f9fa42bf647a0aa5340050bab1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.5612",
    "kind": "arxiv",
    "version": 1
  }
}