Pith Number

pith:3X35YJCQ

pith:2014:3X35YJCQY3VTO4IMGN63WTVJAY

not attested not anchored not stored refs pending

Polynomial Fourier Domain as a Domain of Signal Sparsity

Irena Orovic, Ljubisa Stankovic, Srdjan Stankovic

arxiv:1411.3651 v2 · 2014-10-24 · cs.IT · 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{3X35YJCQY3VTO4IMGN63WTVJAY}

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	2026-05-18T00:59:02.367004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ddf7dc2450c6eb37710c337dbb4ea9061334fcfa8e72fca6399dc33be1ed3625

Aliases

arxiv: 1411.3651 · arxiv_version: 1411.3651v2 · doi: 10.48550/arxiv.1411.3651 · pith_short_12: 3X35YJCQY3VT · pith_short_16: 3X35YJCQY3VTO4IM · pith_short_8: 3X35YJCQ

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/3X35YJCQY3VTO4IMGN63WTVJAY \
  | 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: ddf7dc2450c6eb37710c337dbb4ea9061334fcfa8e72fca6399dc33be1ed3625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f5d2bea40814e29bc7e9b300d13246aa0b304b550a891d5fa156f1211684e27",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-10-24T13:58:33Z",
    "title_canon_sha256": "cc2015ce369217d1cead992b63f0574609a6491d1d7ae9930e4f2326d1c9b7f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.3651",
    "kind": "arxiv",
    "version": 2
  }
}