Pith Number

pith:V6DVR7QA

pith:2011:V6DVR7QACQV55WOKFHG2JAXBW7

not attested not anchored not stored refs pending

Error analysis of a class of derivative estimators for noisy signals

Da-Yan Liu (LAGIS, INRIA Lille - Nord Europe), L2MA), Olivier Gibaru (INRIA Lille - Nord Europe, Wilfrid Perruquetti (LAGIS

arxiv:1103.0652 v1 · 2011-03-03 · 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{V6DVR7QACQV55WOKFHG2JAXBW7}

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	2026-05-18T04:27:27.580689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af8758fe00142bded9ca29cda482e1b7ff1114c358cca7d01625be0582290798

Aliases

arxiv: 1103.0652 · arxiv_version: 1103.0652v1 · doi: 10.48550/arxiv.1103.0652 · pith_short_12: V6DVR7QACQV5 · pith_short_16: V6DVR7QACQV55WOK · pith_short_8: V6DVR7QA

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/V6DVR7QACQV55WOKFHG2JAXBW7 \
  | 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: af8758fe00142bded9ca29cda482e1b7ff1114c358cca7d01625be0582290798

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cd91ce90f447dce27cf78f5f98ad9dd709cb11341d73475282852a7b354ec5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-03-03T11:05:21Z",
    "title_canon_sha256": "ea70837c8dc125bbbba4a21e417e6a04b64842275acabd89929d6be73e3e9e4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0652",
    "kind": "arxiv",
    "version": 1
  }
}