Pith Number

pith:SPVO2OZM

pith:2019:SPVO2OZMLPIUCLPDOCFUZ6W5GF

not attested not anchored not stored refs pending

Algorithm for Independent Vector Extraction Based on Semi-Time-Variant Mixing Model

Jaroslav \v{C}mejla, Tom\'a\v{s} Kounovsk\'y, V\'aclav Kautsk\'y, Zbyn\v{e}k Koldovsk\'y

arxiv:1910.10242 v2 · 2019-10-22 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SPVO2OZMLPIUCLPDOCFUZ6W5GF}

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	2026-07-05T02:18:49.441543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93eaed3b2c5bd1412de3708b4cfadd3153b29678834932feaa18bbe9f60749e5

Aliases

arxiv: 1910.10242 · arxiv_version: 1910.10242v2 · doi: 10.48550/arxiv.1910.10242 · pith_short_12: SPVO2OZMLPIU · pith_short_16: SPVO2OZMLPIUCLPD · pith_short_8: SPVO2OZM

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/SPVO2OZMLPIUCLPDOCFUZ6W5GF \
  | 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: 93eaed3b2c5bd1412de3708b4cfadd3153b29678834932feaa18bbe9f60749e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfb6f766a59742c45994f1840d28fb1430062e81c506bcc23d0a311539b6fead",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-10-22T21:39:55Z",
    "title_canon_sha256": "c7736fd682f8c552b58e8828ce9275221f77db35aacfa136771d4e609e65a9df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1910.10242",
    "kind": "arxiv",
    "version": 2
  }
}