Pith Number

pith:JIFPH4CZ

pith:2017:JIFPH4CZBYYYTQCVCKWJH7Q5GK

not attested not anchored not stored refs pending

Optimal Envelope Approximation in Fourier Basis with Applications in TV White Space

Animesh Kumar

arxiv:1706.00900 v1 · 2017-06-03 · cs.IT · cs.CE · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JIFPH4CZBYYYTQCVCKWJH7Q5GK}

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	2026-05-18T00:43:07.488169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4a0af3f0590e3189c05512ac93fe1d32802d03a8fde28e8f03c0d5f9fe1fd688

Aliases

arxiv: 1706.00900 · arxiv_version: 1706.00900v1 · doi: 10.48550/arxiv.1706.00900 · pith_short_12: JIFPH4CZBYYY · pith_short_16: JIFPH4CZBYYYTQCV · pith_short_8: JIFPH4CZ

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/JIFPH4CZBYYYTQCVCKWJH7Q5GK \
  | 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: 4a0af3f0590e3189c05512ac93fe1d32802d03a8fde28e8f03c0d5f9fe1fd688

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cab7bc44d6509a051aad66d1e7a3fc7da605bd6baba8b88fc2a4c5a3de32c637",
    "cross_cats_sorted": [
      "cs.CE",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-06-03T06:39:13Z",
    "title_canon_sha256": "adf021c00d17b4a8f839bb977821dd82f3e341bb54e2de90b1ccf5cbaeb5d461"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00900",
    "kind": "arxiv",
    "version": 1
  }
}