Pith Number

pith:4JEG4CFM

pith:2019:4JEG4CFMEZ7CIHOF2KN54OKJJ3

not attested not anchored not stored refs pending

Identifiability Conditions for Multi-channel Blind Deconvolution with Short Filters

Antoine Paris, Laurent Jacques

arxiv:1902.09151 v2 · 2019-02-25 · 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{4JEG4CFMEZ7CIHOF2KN54OKJJ3}

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	2026-05-17T23:52:35.743818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2486e08ac267e241dc5d29bde39494ed5a5d6c2586c742078826e3da1e77770

Aliases

arxiv: 1902.09151 · arxiv_version: 1902.09151v2 · doi: 10.48550/arxiv.1902.09151 · pith_short_12: 4JEG4CFMEZ7C · pith_short_16: 4JEG4CFMEZ7CIHOF · pith_short_8: 4JEG4CFM

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/4JEG4CFMEZ7CIHOF2KN54OKJJ3 \
  | 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: e2486e08ac267e241dc5d29bde39494ed5a5d6c2586c742078826e3da1e77770

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fb4b8a1e95804065029002b2c7de8030111163f016be63297f150e21e3a219b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2019-02-25T09:06:53Z",
    "title_canon_sha256": "682a24dc66cf851ddf30ab5ddcecf99ed94567d135fcaf20ea331f6391ce3c79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.09151",
    "kind": "arxiv",
    "version": 2
  }
}