Pith Number

pith:2WIV7H25

pith:2016:2WIV7H25ZOK5QB4B5VOMR7XXIT

not attested not anchored not stored refs pending

Low-Complexity Iterative Sinusoidal Parameter Estimation

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

arxiv:1603.01824 v1 · 2016-03-06 · 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{2WIV7H25ZOK5QB4B5VOMR7XXIT}

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	2026-05-18T01:19:33.567836Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5915f9f5dcb95d80781ed5cc8fef744c73141daaa69aa446a54613ca2b08b36

Aliases

arxiv: 1603.01824 · arxiv_version: 1603.01824v1 · doi: 10.48550/arxiv.1603.01824 · pith_short_12: 2WIV7H25ZOK5 · pith_short_16: 2WIV7H25ZOK5QB4B · pith_short_8: 2WIV7H25

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/2WIV7H25ZOK5QB4B5VOMR7XXIT \
  | 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: d5915f9f5dcb95d80781ed5cc8fef744c73141daaa69aa446a54613ca2b08b36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81cfa0661dc051d91ef74e66aec1d48c3b3f8d937e2172af2ede0c1f8ccec3d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SD",
    "submitted_at": "2016-03-06T13:17:27Z",
    "title_canon_sha256": "eb2194945b3b22813f5df92fd8a0c996e99b7b5d60cacdf452bc400e3bd6e92b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.01824",
    "kind": "arxiv",
    "version": 1
  }
}