Pith Number

pith:VI72WDFK

pith:2014:VI72WDFKW5CKR5FH3HMV4ZM6VL

not attested not anchored not stored refs pending

Nonnegative Tensor Factorization for Directional Blind Audio Source Separation

Noah D. Stein

arxiv:1411.5010 v2 · 2014-11-18 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VI72WDFKW5CKR5FH3HMV4ZM6VL}

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	2026-05-18T00:43:36.191841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aa3fab0caab744a8f4a7d9d95e659eaae5e46e4492ee3e274b891a7f5c96874e

Aliases

arxiv: 1411.5010 · arxiv_version: 1411.5010v2 · doi: 10.48550/arxiv.1411.5010 · pith_short_12: VI72WDFKW5CK · pith_short_16: VI72WDFKW5CKR5FH · pith_short_8: VI72WDFK

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/VI72WDFKW5CKR5FH3HMV4ZM6VL \
  | 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: aa3fab0caab744a8f4a7d9d95e659eaae5e46e4492ee3e274b891a7f5c96874e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b59f9e314f14697de43c8362f91426a63be75090851268bd2bd4d63ed0cee1f4",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-11-18T20:52:52Z",
    "title_canon_sha256": "6bf1fbd1202c6a3c53de8e992cf3d0d93c6ef516ba7614a7326e6e5d16d589fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5010",
    "kind": "arxiv",
    "version": 2
  }
}