Pith Number

pith:2FLBZVCN

pith:2018:2FLBZVCNTTETP3LWQXQE52WO55

not attested not anchored not stored refs pending

Complex and Quaternionic Principal Component Pursuit and Its Application to Audio Separation

Tak-Shing T. Chan, Yi-Hsuan Yang

arxiv:1801.03816 v1 · 2018-01-09 · eess.SP · cs.MM · cs.SD · eess.AS · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2FLBZVCNTTETP3LWQXQE52WO55}

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	2026-05-18T00:26:13.429637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1561cd44d9cc937ed7685e04eeaceef4b5ee583e4fdffc3cdf2e73747f19229

Aliases

arxiv: 1801.03816 · arxiv_version: 1801.03816v1 · doi: 10.48550/arxiv.1801.03816 · pith_short_12: 2FLBZVCNTTET · pith_short_16: 2FLBZVCNTTETP3LW · pith_short_8: 2FLBZVCN

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/2FLBZVCNTTETP3LWQXQE52WO55 \
  | 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: d1561cd44d9cc937ed7685e04eeaceef4b5ee583e4fdffc3cdf2e73747f19229

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e98cd9a45fb293dab0033c07cc8688c1d3441724b1f2c8354029c05d4a821ad",
    "cross_cats_sorted": [
      "cs.MM",
      "cs.SD",
      "eess.AS",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-01-09T00:39:50Z",
    "title_canon_sha256": "5b9229b9b346639ac41ba6ea3d822fdc5afb24716525b352ca7663902694ec20"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.03816",
    "kind": "arxiv",
    "version": 1
  }
}