Pith Number

pith:A7ASAXLJ

pith:2016:A7ASAXLJFMP2GCHEGIO6KLRM3R

not attested not anchored not stored refs pending

Perturbation-Based Regularization for Signal Estimation in Linear Discrete Ill-posed Problems

Mohamed Suliman, Tareq Y. Al-Naffouri, Tarig Ballal

arxiv:1611.09742 v2 · 2016-11-29 · cs.IT · math.IT · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7ASAXLJFMP2GCHEGIO6KLRM3R}

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	2026-05-18T00:53:04.968073Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07c1205d692b1fa308e4321de52e2cdc58a6ef84f1e932220e8e2294ddf2fb5e

Aliases

arxiv: 1611.09742 · arxiv_version: 1611.09742v2 · doi: 10.48550/arxiv.1611.09742 · pith_short_12: A7ASAXLJFMP2 · pith_short_16: A7ASAXLJFMP2GCHE · pith_short_8: A7ASAXLJ

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/A7ASAXLJFMP2GCHEGIO6KLRM3R \
  | 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: 07c1205d692b1fa308e4321de52e2cdc58a6ef84f1e932220e8e2294ddf2fb5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ce253fadc135c7443e605b075aed538c4406e93684e80d9113043ed1480001e",
    "cross_cats_sorted": [
      "math.IT",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2016-11-29T17:34:38Z",
    "title_canon_sha256": "cc2df24b498dee2ada9ce4c91b4d970a5e2a6d655bee1bee3862532edfa7e536"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.09742",
    "kind": "arxiv",
    "version": 2
  }
}