Pith Number

pith:R52GJKJW

pith:2013:R52GJKJWBAH3ABHCSE4ZALI7ND

not attested not anchored not stored refs pending

Subsquares Approach - Simple Scheme for Solving Overdetermined Interval Linear Systems

Jaroslav Hor\'a\v{c}ek, Milan Hlad\'ik

arxiv:1305.1059 v1 · 2013-05-05 · 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{R52GJKJWBAH3ABHCSE4ZALI7ND}

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	2026-05-18T03:26:24.239511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f7464a936080fb004e29139902d1f68f876ea26c3a835f5d45d5b935ec03fc2

Aliases

arxiv: 1305.1059 · arxiv_version: 1305.1059v1 · doi: 10.48550/arxiv.1305.1059 · pith_short_12: R52GJKJWBAH3 · pith_short_16: R52GJKJWBAH3ABHC · pith_short_8: R52GJKJW

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/R52GJKJWBAH3ABHCSE4ZALI7ND \
  | 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: 8f7464a936080fb004e29139902d1f68f876ea26c3a835f5d45d5b935ec03fc2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "122fd795e78c689a379a9e1ec06dc84c0d943837f3214e9b20db1a974c5fc384",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2013-05-05T22:13:57Z",
    "title_canon_sha256": "19fcca5c370aa5e2c508bd2b173aa099a68484f9e5e47ccc53f91363cb583e23"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1059",
    "kind": "arxiv",
    "version": 1
  }
}