Pith Number

pith:ZEMRCCVR

pith:2018:ZEMRCCVR2L7HLYMWJQNS33HXDG

not attested not anchored not stored refs pending

On approximate least squares estimators of parameters on one-dimensional chirp signal

Amit Mitra, Debasis Kundu, Rhythm Grover

arxiv:1804.01269 v1 · 2018-04-04 · stat.AP · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZEMRCCVR2L7HLYMWJQNS33HXDG}

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	2026-05-18T00:19:15.548053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c919110ab1d2fe75e1964c1b2decf7198c8f7a504470fed2846ddc62ee83546c

Aliases

arxiv: 1804.01269 · arxiv_version: 1804.01269v1 · doi: 10.48550/arxiv.1804.01269 · pith_short_12: ZEMRCCVR2L7H · pith_short_16: ZEMRCCVR2L7HLYMW · pith_short_8: ZEMRCCVR

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/ZEMRCCVR2L7HLYMWJQNS33HXDG \
  | 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: c919110ab1d2fe75e1964c1b2decf7198c8f7a504470fed2846ddc62ee83546c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5f522a6958de4b5fe411b373ac7eaea7f3db4026bc9647118f0f055133816ad",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-04-04T07:30:05Z",
    "title_canon_sha256": "45b4761d5d2f53ed168752d6ade7bf5b75d676624ff914fc9d93ef0f697017dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01269",
    "kind": "arxiv",
    "version": 1
  }
}