pith. sign in
Pith Number

pith:UQZRADQF

pith:2013:UQZRADQFZBABI2B7EO5Q6BWLFK
not attested not anchored not stored refs pending

Some Options for L1-Subspace Signal Processing

Dimitris A. Pados, George N. Karystinos, Panos P. Markopoulos

arxiv:1309.1194 v1 · 2013-09-04 · stat.ML

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UQZRADQFZBABI2B7EO5Q6BWLFK}

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 2026-05-18T03:14:07.221566Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a433100e05c84014683f23bb0f06cb2ab39d77cac4586d8eff474f2c223bddae

Aliases

arxiv: 1309.1194 · arxiv_version: 1309.1194v1 · doi: 10.48550/arxiv.1309.1194 · pith_short_12: UQZRADQFZBAB · pith_short_16: UQZRADQFZBABI2B7 · pith_short_8: UQZRADQF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UQZRADQFZBABI2B7EO5Q6BWLFK \
  | 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: a433100e05c84014683f23bb0f06cb2ab39d77cac4586d8eff474f2c223bddae
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2293fd64d1ce8dd6ec7b13715a7a5b648e47c55c516f8b5c39c82747608c609a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2013-09-04T22:00:43Z",
    "title_canon_sha256": "74b98c2e0e9fec2d9d06c8a55f96eaa192846e09c9221f9bd3415e5b14a737b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1194",
    "kind": "arxiv",
    "version": 1
  }
}