Pith Number

pith:AOCWDZUR

pith:2018:AOCWDZURHSLDCAKY3GHFS4OFXM

not attested not anchored not stored refs pending

Continuous-Domain Solutions of Linear Inverse Problems with Tikhonov vs. Generalized TV Regularization

Harshit Gupta, Julien Fageot, Michael Unser

arxiv:1802.01344 v1 · 2018-02-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AOCWDZURHSLDCAKY3GHFS4OFXM}

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	2026-05-18T00:08:10.389056Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

038561e6913c96310158d98e5971c5bb0e65df37f24f3ba70687847d59ff5146

Aliases

arxiv: 1802.01344 · arxiv_version: 1802.01344v1 · doi: 10.48550/arxiv.1802.01344 · pith_short_12: AOCWDZURHSLD · pith_short_16: AOCWDZURHSLDCAKY · pith_short_8: AOCWDZUR

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/AOCWDZURHSLDCAKY3GHFS4OFXM \
  | 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: 038561e6913c96310158d98e5971c5bb0e65df37f24f3ba70687847d59ff5146

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a827d12e8efef3c3ac5ccf31c1172ca0615ec5b2b57dc1fbff41ae73243ff5",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2018-02-05T10:54:21Z",
    "title_canon_sha256": "980848c3efc595ca6ace3ce771cd658aa08954caba3219ce27696507f43ee12c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01344",
    "kind": "arxiv",
    "version": 1
  }
}