Pith Number

pith:EURNXX3O

pith:2018:EURNXX3O2XJSTMDNVMNBET2IXE

not attested not anchored not stored refs pending

Universal regularization methods - varying the power, the smoothness and the accuracy

Coralia Cartis, Nicholas I.M. Gould, Philippe L. Toint

arxiv:1811.07057 v1 · 2018-11-16 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EURNXX3O2XJSTMDNVMNBET2IXE}

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	2026-05-18T00:00:29.124619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2522dbdf6ed5d329b06dab1a124f48b902c8c521728dd82d27b9fe25c43d498d

Aliases

arxiv: 1811.07057 · arxiv_version: 1811.07057v1 · doi: 10.48550/arxiv.1811.07057 · pith_short_12: EURNXX3O2XJS · pith_short_16: EURNXX3O2XJSTMDN · pith_short_8: EURNXX3O

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/EURNXX3O2XJSTMDNVMNBET2IXE \
  | 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: 2522dbdf6ed5d329b06dab1a124f48b902c8c521728dd82d27b9fe25c43d498d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f29557a9e87e6a9362cd44d2d5b1a9b58ba654c32f522141fca69d82fcb44d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-11-16T22:59:31Z",
    "title_canon_sha256": "95f99fc88577cefdf7e29086097c775eb6f813023078c3152ebeeac0f052fdda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07057",
    "kind": "arxiv",
    "version": 1
  }
}