Pith Number

pith:TXRCHUMP

pith:2014:TXRCHUMPZ4ANEUH6TEHFNV6KH6

not attested not anchored not stored refs pending

Analysis of A Nonsmooth Optimization Approach to Robust Estimation

Henrik Ohlsson, Laurent Bako

arxiv:1402.1899 v4 · 2014-02-08 · cs.SY · 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{TXRCHUMPZ4ANEUH6TEHFNV6KH6}

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	2026-05-18T01:09:42.398393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9de223d18fcf00d250fe990e56d7ca3fa3a9cfa827d3e9a21c67477932530868

Aliases

arxiv: 1402.1899 · arxiv_version: 1402.1899v4 · doi: 10.48550/arxiv.1402.1899 · pith_short_12: TXRCHUMPZ4AN · pith_short_16: TXRCHUMPZ4ANEUH6 · pith_short_8: TXRCHUMP

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/TXRCHUMPZ4ANEUH6TEHFNV6KH6 \
  | 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: 9de223d18fcf00d250fe990e56d7ca3fa3a9cfa827d3e9a21c67477932530868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0ecf922c0026f7d86a6b861f2c3cfb79a97496ef57accfaf9e3b0996ef1e14da",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2014-02-08T23:30:18Z",
    "title_canon_sha256": "c0b3811ff54d2e96482049019de2e903eb78297bbc8485c15e78dba34e8437eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1899",
    "kind": "arxiv",
    "version": 4
  }
}