Pith Number

pith:77HPRFOY

pith:2018:77HPRFOYMF6PWYBIMLZNTIWCGN

not attested not anchored not stored refs pending

Time Relaxation with Iterative Modified Lavrentiev Regularization

Ming Zhong

arxiv:1809.09517 v1 · 2018-09-25 · math.NA

Open paper page JSON What is a Pith Number?

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T00:04:50.942547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffcef895d8617cfb602862f2d9a2c233673bcf8a0c7fcbf2d4f7b4d297cb5db6

Aliases

arxiv: 1809.09517 · arxiv_version: 1809.09517v1 · doi: 10.48550/arxiv.1809.09517

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/77HPRFOYMF6PWYBIMLZNTIWCGN \
  | 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: ffcef895d8617cfb602862f2d9a2c233673bcf8a0c7fcbf2d4f7b4d297cb5db6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02fd4777bbf272b5e9f198549653669c9715ecf70bae5c45838cec0dfa5bd89c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-25T14:35:13Z",
    "title_canon_sha256": "a871d18077862a1433c5710c91597381911769a4637b9d2075cf7a55d75ccd68"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09517",
    "kind": "arxiv",
    "version": 1
  }
}