Pith Number

pith:7Q2CJZXA

pith:2022:7Q2CJZXA5JQQXSBJGC2MSQTOSE

not attested not anchored not stored refs pending

Joint Acoustic Echo Cancellation and Blind Source Extraction based on Independent Vector Extraction

Thomas Haubner, Walter Kellermann, Zbyn\v{e}k Koldovsk\'y

arxiv:2205.06473 v2 · 2022-05-13 · eess.AS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7Q2CJZXA5JQQXSBJGC2MSQTOSE}

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	2026-07-05T04:47:28.401510Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc3424e6e0ea610bc82930b4c9426e91072d58ba6ff8b3f445967a4b620cd25b

Aliases

arxiv: 2205.06473 · arxiv_version: 2205.06473v2 · doi: 10.48550/arxiv.2205.06473 · pith_short_12: 7Q2CJZXA5JQQ · pith_short_16: 7Q2CJZXA5JQQXSBJ · pith_short_8: 7Q2CJZXA

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/7Q2CJZXA5JQQXSBJGC2MSQTOSE \
  | 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: fc3424e6e0ea610bc82930b4c9426e91072d58ba6ff8b3f445967a4b620cd25b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15e22f4ceef1bb88f86011b1de1b1cf0502cb9903eef4a73f863c8af05def37c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.AS",
    "submitted_at": "2022-05-13T07:03:43Z",
    "title_canon_sha256": "fa06c5e30197ed84038e9662252de928f421b82dbebe668c10f305cb92a0c68e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.06473",
    "kind": "arxiv",
    "version": 2
  }
}