Pith Number

pith:ATDPE3GZ

pith:2015:ATDPE3GZ56GYGHECUQPUFTMDKH

not attested not anchored not stored refs pending

Lavrentiev's regularization method in Hilbert spaces revisited

Barbara Kaltenbacher, Bernd Hofmann, Elena Resmerita

arxiv:1506.01803 v2 · 2015-06-05 · 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{ATDPE3GZ56GYGHECUQPUFTMDKH}

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	2026-05-18T01:16:50.371677Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04c6f26cd9ef8d831c82a41f42cd8351d15ea55c98c160ab27337f7b3c66e70d

Aliases

arxiv: 1506.01803 · arxiv_version: 1506.01803v2 · doi: 10.48550/arxiv.1506.01803 · pith_short_12: ATDPE3GZ56GY · pith_short_16: ATDPE3GZ56GYGHEC · pith_short_8: ATDPE3GZ

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/ATDPE3GZ56GYGHECUQPUFTMDKH \
  | 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: 04c6f26cd9ef8d831c82a41f42cd8351d15ea55c98c160ab27337f7b3c66e70d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc82677c335989109775818185e33324f68934e2afb53b5fc2482e6a006ae487",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-06-05T07:46:31Z",
    "title_canon_sha256": "bd3846faa0edd3b56443c4b00259897077016dfffb753939e466af357a51e3a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.01803",
    "kind": "arxiv",
    "version": 2
  }
}