Pith Number

pith:RRSIK2PY

pith:2016:RRSIK2PYC5QOUZ3L7WIQLQKF6T

not attested not anchored not stored refs pending

Microphone array post-filter for separation of simultaneous non-stationary sources

Fran\c{c}ois Michaud, Jean-Marc Valin, Jean Rouat

arxiv:1603.03215 v1 · 2016-03-10 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RRSIK2PYC5QOUZ3L7WIQLQKF6T}

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	2026-05-18T01:19:16.747358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c648569f81760ea676bfd9105c145f4cd95309022a65917d720ffe1b6a7dc03

Aliases

arxiv: 1603.03215 · arxiv_version: 1603.03215v1 · doi: 10.48550/arxiv.1603.03215 · pith_short_12: RRSIK2PYC5QO · pith_short_16: RRSIK2PYC5QOUZ3L · pith_short_8: RRSIK2PY

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/RRSIK2PYC5QOUZ3L7WIQLQKF6T \
  | 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: 8c648569f81760ea676bfd9105c145f4cd95309022a65917d720ffe1b6a7dc03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e748a4ee5fccce51ba93e1b1139e7a8a22aad48b046b99fc2fae494faa29eef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-03-10T10:42:47Z",
    "title_canon_sha256": "6958a0216405886e9164e62616ec8c5177b530f23195e98a874e92cf37f7e14f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03215",
    "kind": "arxiv",
    "version": 1
  }
}