Pith Number

pith:NSHJU27H

pith:2015:NSHJU27HRMM2UEWPCT3YH7SHZF

not attested not anchored not stored refs pending

Multigrid convergence for the MDCA-curvature estimator

Andreas Schindele, Brigitte Forster, Peter Massopust

arxiv:1510.00678 v1 · 2015-09-29 · math.NA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NSHJU27HRMM2UEWPCT3YH7SHZF}

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	2026-05-18T01:31:12.302009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c8e9a6be78b19aa12cf14f783fe47c97712ad6d3ce897d5e4ec86fbe1e47eed

Aliases

arxiv: 1510.00678 · arxiv_version: 1510.00678v1 · doi: 10.48550/arxiv.1510.00678 · pith_short_12: NSHJU27HRMM2 · pith_short_16: NSHJU27HRMM2UEWP · pith_short_8: NSHJU27H

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/NSHJU27HRMM2UEWPCT3YH7SHZF \
  | 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: 6c8e9a6be78b19aa12cf14f783fe47c97712ad6d3ce897d5e4ec86fbe1e47eed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6535212093d9c068700a4c6bf22a1feb9a53777955624ca7dc9c848518bee88",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-29T09:45:53Z",
    "title_canon_sha256": "f9632ca3a3f317202424f5f152b64d1b5676272d413a93be238e59ffeba1b6dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1510.00678",
    "kind": "arxiv",
    "version": 1
  }
}