Pith Number

pith:M27R5KXS

pith:2018:M27R5KXS3WLDRROYCMNI6HXTMR

not attested not anchored not stored refs pending

Asymptotic of Approximate Least Squares Estimators of Parameters Two-Dimensional Chirp Signal

Amit Mitra, Debasis Kundu, Rhythm Grover

arxiv:1807.09267 v1 · 2018-07-24 · 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{M27R5KXS3WLDRROYCMNI6HXTMR}

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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	2026-05-18T00:09:51.810212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66bf1eaaf2dd9638c5d8131a8f1ef36440f057557ec00ea8662243d9cc61ae20

Aliases

arxiv: 1807.09267 · arxiv_version: 1807.09267v1 · doi: 10.48550/arxiv.1807.09267 · pith_short_12: M27R5KXS3WLD · pith_short_16: M27R5KXS3WLDRROY · pith_short_8: M27R5KXS

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/M27R5KXS3WLDRROYCMNI6HXTMR \
  | 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: 66bf1eaaf2dd9638c5d8131a8f1ef36440f057557ec00ea8662243d9cc61ae20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc5f69a606c6973866262f8745c70bfc1c3052fb89c1f92e069fb20ec7a0b037",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-07-24T06:43:11Z",
    "title_canon_sha256": "5873359821ccffbaa653c5ebdb0d427a9096ebeb7e4075ebc0611c147f5b556d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.09267",
    "kind": "arxiv",
    "version": 1
  }
}