Pith Number

pith:LCYN7PTJ

pith:2016:LCYN7PTJMNGTDBZC45IBEZYA2G

not attested not anchored not stored refs pending

Characterizations of variational source conditions, converse results, and maxisets of spectral regularization methods

Frederic Weidling, Thorsten Hohage

arxiv:1603.05133 v4 · 2016-03-16 · 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{LCYN7PTJMNGTDBZC45IBEZYA2G}

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	2026-05-18T00:47:59.134438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58b0dfbe69634d318722e750126700d1a48ab50f94ad633b7dfffa03707224fe

Aliases

arxiv: 1603.05133 · arxiv_version: 1603.05133v4 · doi: 10.48550/arxiv.1603.05133 · pith_short_12: LCYN7PTJMNGT · pith_short_16: LCYN7PTJMNGTDBZC · pith_short_8: LCYN7PTJ

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/LCYN7PTJMNGTDBZC45IBEZYA2G \
  | 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: 58b0dfbe69634d318722e750126700d1a48ab50f94ad633b7dfffa03707224fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9982b1f864ecb64de99829465b368ca642f2a960ffde5ddb4ff7f908f53f4336",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-03-16T14:54:27Z",
    "title_canon_sha256": "9ad2577335d7ed642ad3865254f49800bf408aa3c32b9354232266e8a047a7f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05133",
    "kind": "arxiv",
    "version": 4
  }
}