Pith Number

pith:IICVEOMQ

pith:2021:IICVEOMQJNGQCASU3DXEAKDFQD

not attested not anchored not stored refs pending

The Pseudo Projection Operator: Applications of Deep Learning to Projection Based Filtering in Non-Trivial Frequency Regimes

Matthew L. Weiss, Nathan C. Frey, Randy C. Paffenroth, Siddharth Samsi, Vijay Gadepally

arxiv:2111.07140 v3 · 2021-11-13 · eess.SP · 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{IICVEOMQJNGQCASU3DXEAKDFQD}

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	2026-07-05T04:14:39.801876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42055239904b4d010254d8ee40286580d8d680d82c7642934648b07858a01ea7

Aliases

arxiv: 2111.07140 · arxiv_version: 2111.07140v3 · doi: 10.48550/arxiv.2111.07140 · pith_short_12: IICVEOMQJNGQ · pith_short_16: IICVEOMQJNGQCASU · pith_short_8: IICVEOMQ

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/IICVEOMQJNGQCASU3DXEAKDFQD \
  | 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: 42055239904b4d010254d8ee40286580d8d680d82c7642934648b07858a01ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ee2d75a251fab21784cde734fdac48a0b79cb30d6eb2933849692c99ba92037",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2021-11-13T16:09:14Z",
    "title_canon_sha256": "17048dea85d1989f00f9fa8e493e0dcc70b458ddbe238ef3615b8aa92353757b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.07140",
    "kind": "arxiv",
    "version": 3
  }
}