Pith Number

pith:6BHTJ2DM

pith:2014:6BHTJ2DMNC7GF2VQENXF6XK52I

not attested not anchored not stored refs pending

Perturbation Analysis and Randomized Algorithms for Large-Scale Total Least Squares Problems

Hua Xiang, Pengpeng Xie, Yimin Wei

arxiv:1401.6832 v2 · 2014-01-27 · 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{6BHTJ2DMNC7GF2VQENXF6XK52I}

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	2026-05-18T02:37:58.834956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f04f34e86c68be62eab0236e5f5d5dd238be4cc4c5b5d0fdf7ba275d6031928b

Aliases

arxiv: 1401.6832 · arxiv_version: 1401.6832v2 · doi: 10.48550/arxiv.1401.6832 · pith_short_12: 6BHTJ2DMNC7G · pith_short_16: 6BHTJ2DMNC7GF2VQ · pith_short_8: 6BHTJ2DM

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/6BHTJ2DMNC7GF2VQENXF6XK52I \
  | 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: f04f34e86c68be62eab0236e5f5d5dd238be4cc4c5b5d0fdf7ba275d6031928b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0345c07a0b136894889204ced0ade707d986d7fb4f25a5d436136573769366e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-27T12:56:42Z",
    "title_canon_sha256": "11c979f91206fc2c9d28557f0a4825a5035f7cdea364f53b606d91d9b758e2b1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.6832",
    "kind": "arxiv",
    "version": 2
  }
}