Pith Number

pith:HCTHTWUO

pith:2016:HCTHTWUOFZAO22K6C3KN5IWXRX

not attested not anchored not stored refs pending

An Iterative Linearised Solution to the Sinusoidal Parameter Estimation Problem

Christopher Montgomery, Daniel V. Smith, Jean-Marc Valin, Timothy B. Terriberry

arxiv:1602.05900 v1 · 2016-02-17 · cs.SD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCTHTWUOFZAO22K6C3KN5IWXRX}

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	2026-05-18T01:20:22.920528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a679da8e2e40ed695e16d4dea2d78dda0b21d284658ffda0820b823655c7b8

Aliases

arxiv: 1602.05900 · arxiv_version: 1602.05900v1 · doi: 10.48550/arxiv.1602.05900 · pith_short_12: HCTHTWUOFZAO · pith_short_16: HCTHTWUOFZAO22K6 · pith_short_8: HCTHTWUO

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/HCTHTWUOFZAO22K6C3KN5IWXRX \
  | 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: 38a679da8e2e40ed695e16d4dea2d78dda0b21d284658ffda0820b823655c7b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "622f473857186f4cd56b74932fff078a6d1f029b80b356cef37a152c5afa6b32",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-02-17T18:15:36Z",
    "title_canon_sha256": "638e066ba9e71f9d496328f8214be85657a9dd01d3db706d567b35c0a3d0b044"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05900",
    "kind": "arxiv",
    "version": 1
  }
}