Pith Number

pith:CKA2NZ2R

pith:2016:CKA2NZ2RSKF4QEDGAT26BFW2AH

not attested not anchored not stored refs pending

A modification of the generalized shift-splitting method for singular saddle point problems

Davod Khojasteh Salkuyeh, Maryam Rahimian

arxiv:1605.05818 v4 · 2016-05-19 · math.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{CKA2NZ2RSKF4QEDGAT26BFW2AH}

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	2026-05-18T00:45:49.430327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1281a6e751928bc8106604f5e096da01e83ff93834f4857f7b1c359202665d67

Aliases

arxiv: 1605.05818 · arxiv_version: 1605.05818v4 · doi: 10.48550/arxiv.1605.05818 · pith_short_12: CKA2NZ2RSKF4 · pith_short_16: CKA2NZ2RSKF4QEDG · pith_short_8: CKA2NZ2R

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/CKA2NZ2RSKF4QEDGAT26BFW2AH \
  | 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: 1281a6e751928bc8106604f5e096da01e83ff93834f4857f7b1c359202665d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39b45cd440b3a06aecff689ee1ba1cc62619aa2724672f54f961b4df764e7153",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-05-19T05:51:40Z",
    "title_canon_sha256": "cf6d30d02ae7fc68b9dc0727d2498ef736b95bab7198e34f255ba8a0b38f869b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.05818",
    "kind": "arxiv",
    "version": 4
  }
}