Pith Number

pith:DCBIO3KV

pith:2016:DCBIO3KVESHZDZU4SYKQCY7FOZ

not attested not anchored not stored refs pending

Preconditioning via Diagonal Scaling

Hamid Javadi, Reza Takapoui

arxiv:1610.03871 v1 · 2016-10-12 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DCBIO3KVESHZDZU4SYKQCY7FOZ}

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	2026-05-18T01:02:23.168557Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1882876d55248f91e69c96150163e57658fb02c2deefaf8533251f5d7d0c2fe3

Aliases

arxiv: 1610.03871 · arxiv_version: 1610.03871v1 · doi: 10.48550/arxiv.1610.03871 · pith_short_12: DCBIO3KVESHZ · pith_short_16: DCBIO3KVESHZDZU4 · pith_short_8: DCBIO3KV

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/DCBIO3KVESHZDZU4SYKQCY7FOZ \
  | 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: 1882876d55248f91e69c96150163e57658fb02c2deefaf8533251f5d7d0c2fe3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284c41886ab89200c73a73367f234f11eaee97db6e2617a5cc221f1334449f6a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-10-12T20:45:08Z",
    "title_canon_sha256": "24b95ba7f7f29d48f017ba3d103d67925a87193fc88501836b474798be666dfa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.03871",
    "kind": "arxiv",
    "version": 1
  }
}