Pith Number

pith:FTVEVNPY

pith:2011:FTVEVNPYVUFRSDTKIJIPTY3SL3

not attested not anchored not stored refs pending

A contribution to the condition number of the total least squares problem

Bingyu Li, Zhongxiao Jia

arxiv:1101.2342 v1 · 2011-01-12 · 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{FTVEVNPYVUFRSDTKIJIPTY3SL3}

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	2026-05-18T04:31:43.144708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cea4ab5f8ad0b190e6a4250f9e3725ec26ddd7ff4d813f7f53cc69406a835e5

Aliases

arxiv: 1101.2342 · arxiv_version: 1101.2342v1 · doi: 10.48550/arxiv.1101.2342 · pith_short_12: FTVEVNPYVUFR · pith_short_16: FTVEVNPYVUFRSDTK · pith_short_8: FTVEVNPY

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/FTVEVNPYVUFRSDTKIJIPTY3SL3 \
  | 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: 2cea4ab5f8ad0b190e6a4250f9e3725ec26ddd7ff4d813f7f53cc69406a835e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b04048411dfc856946da9697c3a21902bb25bb6b6437f87e88dcc112b9c6e0c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-01-12T12:42:18Z",
    "title_canon_sha256": "e4cb87ef7415207db616d4997e599723e9f3ef7895c5cb1e184e2be897c0cb2b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2342",
    "kind": "arxiv",
    "version": 1
  }
}