Pith Number

pith:3N5XPSRD

pith:2015:3N5XPSRDZ3CSJAJ7HM37ZJCUQY

not attested not anchored not stored refs pending

Search-Enhanced Instantaneous Frequency Detection Algorithm: A Preliminary Design

Marta Molinas, Phen Chiak See

arxiv:1505.00154 v2 · 2015-05-01 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3N5XPSRDZ3CSJAJ7HM37ZJCUQY}

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	2026-05-18T01:37:01.514710Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db7b77ca23cec524813f3b37fca4548630dfed8ae2ead09d464c90470f1d820a

Aliases

arxiv: 1505.00154 · arxiv_version: 1505.00154v2 · doi: 10.48550/arxiv.1505.00154 · pith_short_12: 3N5XPSRDZ3CS · pith_short_16: 3N5XPSRDZ3CSJAJ7 · pith_short_8: 3N5XPSRD

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/3N5XPSRDZ3CSJAJ7HM37ZJCUQY \
  | 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: db7b77ca23cec524813f3b37fca4548630dfed8ae2ead09d464c90470f1d820a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c202bdc9e0bfe7f226b4399e5da1314fe185583043ada77ce300d8c1416ada9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-05-01T11:18:54Z",
    "title_canon_sha256": "e97e7cbfd37a5815d9bc5d12e6c923ad7cb30670f4ca2f814b06ed744e70c51c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00154",
    "kind": "arxiv",
    "version": 2
  }
}