Pith Number

pith:KGVOOYRD

pith:2011:KGVOOYRDLD2RF27U3F57BK6ANQ

not attested not anchored not stored refs pending

Parameters estimation of a noisy sinusoidal signal with time-varying amplitude

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

arxiv:1105.3035 v1 · 2011-05-16 · 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{KGVOOYRDLD2RF27U3F57BK6ANQ}

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	2026-05-18T04:22:01.510776Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51aae7622358f512ebf4d97bf0abc06c0614b6f054497ea34d2bc079f8e8945e

Aliases

arxiv: 1105.3035 · arxiv_version: 1105.3035v1 · doi: 10.48550/arxiv.1105.3035 · pith_short_12: KGVOOYRDLD2R · pith_short_16: KGVOOYRDLD2RF27U · pith_short_8: KGVOOYRD

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/KGVOOYRDLD2RF27U3F57BK6ANQ \
  | 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: 51aae7622358f512ebf4d97bf0abc06c0614b6f054497ea34d2bc079f8e8945e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d7c8de93be13c83adb45133ab531c554cd606c196fc96d372bcce0e483427fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2011-05-16T08:58:12Z",
    "title_canon_sha256": "a775fd0a640700f5a0a14dd5be3bd0abe727db1c09b7b92c9296ba1936bb5bad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.3035",
    "kind": "arxiv",
    "version": 1
  }
}