Pith Number

pith:DMN3T5QY

pith:2015:DMN3T5QYG76XQZ4QZIU2L3F4W6

not attested not anchored not stored refs pending

On Regularizing Effects of MINRES and MR-II for Large-Scale Symmetric Discrete Ill-Posed Problems

Yi Huang, Zhongxiao Jia

arxiv:1503.03936 v3 · 2015-03-13 · 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{DMN3T5QYG76XQZ4QZIU2L3F4W6}

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	2026-06-04T17:09:05.751117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b1bb9f61837fd786790ca29a5ecbcb785a4f46ca53ee48def5a9f14b2018142

Aliases

arxiv: 1503.03936 · arxiv_version: 1503.03936v3 · doi: 10.48550/arxiv.1503.03936 · pith_short_12: DMN3T5QYG76X · pith_short_16: DMN3T5QYG76XQZ4Q · pith_short_8: DMN3T5QY

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/DMN3T5QYG76XQZ4QZIU2L3F4W6 \
  | 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: 1b1bb9f61837fd786790ca29a5ecbcb785a4f46ca53ee48def5a9f14b2018142

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e2d86819f25d2a098667d7e97453bbb6151cd143866582e78f583232c4fe55b",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-13T02:29:19Z",
    "title_canon_sha256": "eecfd39243801f8c66d8dc9d786c0bbcdd626a2d7f2d355c2314bc5b36c3ff13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03936",
    "kind": "arxiv",
    "version": 3
  }
}