Pith Number

pith:PQ7QDZIV

pith:2015:PQ7QDZIVGSOINQR2UTGCTBYCKF

not attested not anchored not stored refs pending

Linear codes with two or three weights from weakly regular bent functions

Chunming Tang, Nian Li, Tor Helleseth, Yanfeng Qi, Zhengchun Zhou

arxiv:1507.06148 v3 · 2015-07-22 · 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{PQ7QDZIVGSOINQR2UTGCTBYCKF}

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	2026-05-18T01:35:20.006458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c3f01e515349c86c23aa4cc29870251453208a2e6fd9d3e1bd73c4ab3b30768

Aliases

arxiv: 1507.06148 · arxiv_version: 1507.06148v3 · doi: 10.48550/arxiv.1507.06148 · pith_short_12: PQ7QDZIVGSOI · pith_short_16: PQ7QDZIVGSOINQR2 · pith_short_8: PQ7QDZIV

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/PQ7QDZIVGSOINQR2UTGCTBYCKF \
  | 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: 7c3f01e515349c86c23aa4cc29870251453208a2e6fd9d3e1bd73c4ab3b30768

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7305dcd173fa645f624996b956842eeb1d0c7413f0e4c0691a2a00f3651cf934",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-07-22T12:16:58Z",
    "title_canon_sha256": "6e73c5eeee40f5128cdde2ce9a1c7a583be4c1a6cd36e648eb7fe324ace962f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.06148",
    "kind": "arxiv",
    "version": 3
  }
}