Pith Number

pith:J333YJA6

pith:2018:J333YJA6TKJKBN4CUMVJN2NZ24

not attested not anchored not stored refs pending

Estimation of Parameters of Multiple Chirp Signal in presence of Heavy Tailed Errors

Debasis Kundu, Swagata Nandi

arxiv:1807.01138 v1 · 2018-07-03 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J333YJA6TKJKBN4CUMVJN2NZ24}

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	2026-05-18T00:11:45.185189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ef7bc241e9a92a0b782a32a96e9b9d70b9d2282cd66001d23fe65b011749b04

Aliases

arxiv: 1807.01138 · arxiv_version: 1807.01138v1 · doi: 10.48550/arxiv.1807.01138 · pith_short_12: J333YJA6TKJK · pith_short_16: J333YJA6TKJKBN4C · pith_short_8: J333YJA6

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/J333YJA6TKJKBN4CUMVJN2NZ24 \
  | 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: 4ef7bc241e9a92a0b782a32a96e9b9d70b9d2282cd66001d23fe65b011749b04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "04f48e4f9a79585d472b1b91ac9a6fe921185511d946d8f7d2e49d74d470443c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-07-03T13:11:33Z",
    "title_canon_sha256": "2e620c3680f1327d9975dd5b5ac9af91d5dc3c8ea85a0df5d3609736cbe797a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01138",
    "kind": "arxiv",
    "version": 1
  }
}