Pith Number

pith:7PIZKHR2

pith:2017:7PIZKHR2HZ2DPYCM5SOJINEKUK

not attested not anchored not stored refs pending

On a class of optimization-based robust estimators

Laurent Bako

arxiv:1705.02837 v1 · 2017-05-08 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7PIZKHR2HZ2DPYCM5SOJINEKUK}

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	2026-05-18T00:31:19.581123Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbd1951e3a3e7437e04cec9c94348aa2b7ca97136677810b98a25247e8044407

Aliases

arxiv: 1705.02837 · arxiv_version: 1705.02837v1 · doi: 10.48550/arxiv.1705.02837 · pith_short_12: 7PIZKHR2HZ2D · pith_short_16: 7PIZKHR2HZ2DPYCM · pith_short_8: 7PIZKHR2

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/7PIZKHR2HZ2DPYCM5SOJINEKUK \
  | 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: fbd1951e3a3e7437e04cec9c94348aa2b7ca97136677810b98a25247e8044407

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d9c76553910d949e80085ee9b397a60fd8ceb2134c08f6b653f3da5c4429c40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2017-05-08T11:55:56Z",
    "title_canon_sha256": "e326f18dbbd3a113d886dd85e34c26798468c417025e27ddcc2a4684a1062a2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02837",
    "kind": "arxiv",
    "version": 1
  }
}