Pith Number

pith:KSCJKMUD

pith:2017:KSCJKMUDWPXRSV7TZR3BUAIWML

not attested not anchored not stored refs pending

Scalable linear solvers for sparse linear systems from large-scale numerical simulations

Hui Liu, Zhangxin Chen

arxiv:1701.05913 v1 · 2017-01-20 · cs.MS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSCJKMUDWPXRSV7TZR3BUAIWML}

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	2026-05-18T00:52:21.968756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5484953283b3ef1957f3cc761a011662c1112b63ec58d832756f42b6817208e7

Aliases

arxiv: 1701.05913 · arxiv_version: 1701.05913v1 · doi: 10.48550/arxiv.1701.05913 · pith_short_12: KSCJKMUDWPXR · pith_short_16: KSCJKMUDWPXRSV7T · pith_short_8: KSCJKMUD

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/KSCJKMUDWPXRSV7TZR3BUAIWML \
  | 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: 5484953283b3ef1957f3cc761a011662c1112b63ec58d832756f42b6817208e7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cfc3f05c4e4a6140a2fdd3643ce94775a589d7f89ed7c7f390e8f55092de544",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2017-01-20T19:37:44Z",
    "title_canon_sha256": "e59a5816aaea497797c7951ac853ab61b8635a053665482e3e33e565a2bdf14a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.05913",
    "kind": "arxiv",
    "version": 1
  }
}