Pith Number

pith:6QXQE4UQ

pith:2017:6QXQE4UQ5A6ENKJLQJIITMSKTK

not attested not anchored not stored refs pending

Randomized Complete Pivoting for Solving Symmetric Indefinite Linear Systems

Jianwei Xiao, Ming Gu, Yuehua Feng

arxiv:1710.00125 v1 · 2017-09-30 · math.NA · 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{6QXQE4UQ5A6ENKJLQJIITMSKTK}

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	2026-06-04T19:11:02.515371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f42f027290e83c46a92b825089b24a9a8db0517aaf272097edc56fe754f361bd

Aliases

arxiv: 1710.00125 · arxiv_version: 1710.00125v1 · doi: 10.48550/arxiv.1710.00125 · pith_short_12: 6QXQE4UQ5A6E · pith_short_16: 6QXQE4UQ5A6ENKJL · pith_short_8: 6QXQE4UQ

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/6QXQE4UQ5A6ENKJLQJIITMSKTK \
  | 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: f42f027290e83c46a92b825089b24a9a8db0517aaf272097edc56fe754f361bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81bf00bb9aea49d7242b81c159c589ce3e56b82f6d336b7bcd7cacc8e94db0e9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-09-30T00:34:49Z",
    "title_canon_sha256": "00f20a5d28133ec2c5ed3b8ee48ec2feacf38e0800288a8c77e8ba6dc44ecd16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.00125",
    "kind": "arxiv",
    "version": 1
  }
}