Pith Number

pith:7AWBFGBI

pith:2016:7AWBFGBI55OUG6M37DFX3VXIZ2

not attested not anchored not stored refs pending

A New Robust Frequency Domain Echo Canceller With Closed-Loop Learning Rate Adaptation

Iain B. Collings, Jean-Marc Valin

arxiv:1602.08609 v1 · 2016-02-27 · cs.SD · cs.SY

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7AWBFGBI55OUG6M37DFX3VXIZ2}

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	2026-05-18T01:19:52.402078Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f82c129828ef5d43799bf8cb7dd6e8ceac4583e396f5ad69bff4426d575afc6d

Aliases

arxiv: 1602.08609 · arxiv_version: 1602.08609v1 · doi: 10.48550/arxiv.1602.08609 · pith_short_12: 7AWBFGBI55OU · pith_short_16: 7AWBFGBI55OUG6M3 · pith_short_8: 7AWBFGBI

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/7AWBFGBI55OUG6M37DFX3VXIZ2 \
  | 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: f82c129828ef5d43799bf8cb7dd6e8ceac4583e396f5ad69bff4426d575afc6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4ce1a55af145217d6fd0c919051de67798f0d3df5ef45e45f5ad3f42cef9278",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-02-27T16:17:06Z",
    "title_canon_sha256": "234abfefc7ae3e4cc8c5be38e9e95f8722768e69222657666f2d5f77517e4c1e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.08609",
    "kind": "arxiv",
    "version": 1
  }
}