Pith Number

pith:K7AHYTRO

pith:2017:K7AHYTRO37L4JISU74CDTFSDSK

not attested not anchored not stored refs pending

Method to Design UF-OFDM Filter and its Analysis

Hirofumi Tsuda, Ken Umeno

arxiv:1711.07197 v1 · 2017-11-20 · 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{K7AHYTRO37L4JISU74CDTFSDSK}

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	2026-05-18T00:30:11.979259Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57c07c4e2edfd7c4a254ff043996439290ffff77d19d51c8a5d05841a1f725a2

Aliases

arxiv: 1711.07197 · arxiv_version: 1711.07197v1 · doi: 10.48550/arxiv.1711.07197 · pith_short_12: K7AHYTRO37L4 · pith_short_16: K7AHYTRO37L4JISU · pith_short_8: K7AHYTRO

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/K7AHYTRO37L4JISU74CDTFSDSK \
  | 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: 57c07c4e2edfd7c4a254ff043996439290ffff77d19d51c8a5d05841a1f725a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f6bd4f73e23e3c48c2d7a5e7e09c032d2b61cf02f5fb2f4610524c50cbc396a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-11-20T08:34:32Z",
    "title_canon_sha256": "7192729fc7a452b156ec45a4ebf0e68af5a20e949180497f543b6b61582e70b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.07197",
    "kind": "arxiv",
    "version": 1
  }
}