Pith Number

pith:4FXBB2WG

pith:2014:4FXBB2WGKIIHOMJYEZAMCNROIP

not attested not anchored not stored refs pending

Discontinuities of the minimizers of the weighted or anisotropic total variation for image reconstruction

Khalid Jalalzai

arxiv:1402.0026 v1 · 2014-01-31 · math.OC · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FXBB2WGKIIHOMJYEZAMCNROIP}

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	2026-05-18T03:00:25.079170Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e16e10eac652107731382640c1362e43d2175ba12b624425417f0a22015c15b0

Aliases

arxiv: 1402.0026 · arxiv_version: 1402.0026v1 · doi: 10.48550/arxiv.1402.0026 · pith_short_12: 4FXBB2WGKIIH · pith_short_16: 4FXBB2WGKIIHOMJY · pith_short_8: 4FXBB2WG

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/4FXBB2WGKIIHOMJYEZAMCNROIP \
  | 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: e16e10eac652107731382640c1362e43d2175ba12b624425417f0a22015c15b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c292445c057a2e24e65ed2ca8c6ad3eecf67951f4cbfaa75ee8cf8673e712775",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-31T22:52:02Z",
    "title_canon_sha256": "958c85146bc42d44c6cf1b22c562fcd7c80e95de0e5137905c4da9b90eca7884"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.0026",
    "kind": "arxiv",
    "version": 1
  }
}