Pith Number

pith:X6OT5JDM

pith:2020:X6OT5JDMO7PKKUPIVX4M6RKM5L

not attested not anchored not stored refs pending

Exponential Signal Reconstruction with Deep Hankel Matrix Factorization

Di Guo, Jinkui Zhao, Vladislav Orekhov, Xiaobo Qu, Yihui Huang, Zi Wang

arxiv:2007.06246 v4 · 2020-07-13 · eess.SP · physics.bio-ph · physics.med-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{X6OT5JDMO7PKKUPIVX4M6RKM5L}

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	2026-07-05T03:41:57.358121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf9d3ea46c77dea551e8adf8cf454ceacdfcdae954d75993170ccc0bb5afe074

Aliases

arxiv: 2007.06246 · arxiv_version: 2007.06246v4 · doi: 10.48550/arxiv.2007.06246 · pith_short_12: X6OT5JDMO7PK · pith_short_16: X6OT5JDMO7PKKUPI · pith_short_8: X6OT5JDM

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/X6OT5JDMO7PKKUPIVX4M6RKM5L \
  | 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: bf9d3ea46c77dea551e8adf8cf454ceacdfcdae954d75993170ccc0bb5afe074

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66f7bd267a333a4aa8240a3e250ad7473be783d69987924dd38847e1c9f657cb",
    "cross_cats_sorted": [
      "physics.bio-ph",
      "physics.med-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-07-13T08:52:51Z",
    "title_canon_sha256": "a08d49a4924cfd3c8523422f93328052007cc8735ae5faa3e2332d700ae391de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.06246",
    "kind": "arxiv",
    "version": 4
  }
}