Pith Number

pith:FMGSEH6W

pith:2022:FMGSEH6W6L2TJPBKIBK7FBYBSO

not attested not anchored not stored refs pending

A numerical comparison of some heuristic stopping rules for nonlinear Landweber iteration

Ekaterina Sherina, Kemal Raik, Simon Hubmer, Stefan Kindermann

arxiv:2205.09831 v1 · 2022-05-19 · math.NA · cs.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{FMGSEH6W6L2TJPBKIBK7FBYBSO}

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	2026-07-05T04:25:00.731645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b0d221fd6f2f534bc2a4055f28701939b4f1f092cd05e27e011c1c42ea537f3

Aliases

arxiv: 2205.09831 · arxiv_version: 2205.09831v1 · doi: 10.48550/arxiv.2205.09831 · pith_short_12: FMGSEH6W6L2T · pith_short_16: FMGSEH6W6L2TJPBK · pith_short_8: FMGSEH6W

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/FMGSEH6W6L2TJPBKIBK7FBYBSO \
  | 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: 2b0d221fd6f2f534bc2a4055f28701939b4f1f092cd05e27e011c1c42ea537f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3658acd3834068e789f2c6f37435fb8dad4045a0c886b9d7e23c453848f02a0",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2022-05-19T20:10:30Z",
    "title_canon_sha256": "93bbf8b1fe98a0bb17b939516d0f4aa4a706b428f5626bdd3495c07103471a00"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.09831",
    "kind": "arxiv",
    "version": 1
  }
}