Pith Number

pith:CYPEMPSD

pith:2010:CYPEMPSDZO53OBMK4EMS6CG5OR

not attested not anchored not stored refs pending

Discretization of variational regularization in Banach spaces

C. Poeschl, E. Resmerita, O. Scherzer

arxiv:1004.2838 v1 · 2010-04-16 · 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{CYPEMPSDZO53OBMK4EMS6CG5OR}

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	2026-05-18T02:08:04.673922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

161e463e43cbbbb7058ae1192f08dd7476d32e862c395d3aa7297ab87339dc64

Aliases

arxiv: 1004.2838 · arxiv_version: 1004.2838v1 · doi: 10.48550/arxiv.1004.2838 · pith_short_12: CYPEMPSDZO53 · pith_short_16: CYPEMPSDZO53OBMK · pith_short_8: CYPEMPSD

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/CYPEMPSDZO53OBMK4EMS6CG5OR \
  | 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: 161e463e43cbbbb7058ae1192f08dd7476d32e862c395d3aa7297ab87339dc64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae0c56c8c8f390681f8cf79aaa89b945d8ac99c1143f9815df402b73a66bd587",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-04-16T13:29:44Z",
    "title_canon_sha256": "39ede8d6de44fbc90d762422cca77ce1d02bd0e953c3df1cca75390c4bb94c47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.2838",
    "kind": "arxiv",
    "version": 1
  }
}