Pith Number

pith:ZONP6QJ4

pith:2019:ZONP6QJ447UDNUHAKF5J5OUDN4

not attested not anchored not stored refs pending

Spectral Bounds for Quasi-Twisted Codes

Buket \"Ozkaya, Jareena Tharnnukhroh, Martianus Frederic Ezerman, San Ling

arxiv:1906.04967 v1 · 2019-06-12 · 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{ZONP6QJ447UDNUHAKF5J5OUDN4}

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	2026-07-05T00:58:03.406255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cb9aff413ce7e836d0e0517a9eba836f0342211ddd0558569ee59b43d75b8ef7

Aliases

arxiv: 1906.04967 · arxiv_version: 1906.04967v1 · doi: 10.48550/arxiv.1906.04967 · pith_short_12: ZONP6QJ447UD · pith_short_16: ZONP6QJ447UDNUHA · pith_short_8: ZONP6QJ4

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/ZONP6QJ447UDNUHAKF5J5OUDN4 \
  | 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: cb9aff413ce7e836d0e0517a9eba836f0342211ddd0558569ee59b43d75b8ef7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b43af9a1be6f788412c21a44ed54cd6eeabf60105926059c6cc34a48fe881311",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-06-12T06:50:21Z",
    "title_canon_sha256": "3c70e95358d94c9882a24ec40d0619d785615962c25f262afb606cb89442bf05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.04967",
    "kind": "arxiv",
    "version": 1
  }
}