Pith Number

pith:QZX5CF5D

pith:2021:QZX5CF5DKEBGFL6HL4TZJVMYJE

not attested not anchored not stored refs pending

Generalized Hessian-Schatten Norm Regularization for Image Reconstruction

Deepak G Skariah, Manu Ghulyani, Muthuvel Arigovindan

arxiv:2105.12099 v1 · 2021-05-25 · eess.IV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QZX5CF5DKEBGFL6HL4TZJVMYJE}

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	2026-07-05T02:42:59.965378Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

866fd117a3510262afc75f2794d5984917b8f7455ee7f98ed7033ec6c495f948

Aliases

arxiv: 2105.12099 · arxiv_version: 2105.12099v1 · doi: 10.48550/arxiv.2105.12099 · pith_short_12: QZX5CF5DKEBG · pith_short_16: QZX5CF5DKEBGFL6H · pith_short_8: QZX5CF5D

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/QZX5CF5DKEBGFL6HL4TZJVMYJE \
  | 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: 866fd117a3510262afc75f2794d5984917b8f7455ee7f98ed7033ec6c495f948

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d03021f51ab781c4abbcbbe0e1079fb7e0b4e6cea8caef042bb8b4bb97dccd64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.IV",
    "submitted_at": "2021-05-25T17:37:29Z",
    "title_canon_sha256": "f9a063a9c863154c4b2dbcced9817c290864759c8eab2fe6d5c7803cdafe259f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12099",
    "kind": "arxiv",
    "version": 1
  }
}