Pith Number

pith:4FXHBSZI

pith:2018:4FXHBSZI4LCDHWOCYK3I4WMWLC

not attested not anchored not stored refs pending

Computation of the spectrum of $\text{dc}^2$-balanced codes

Kees A. Schouhamer Immink, Kui Cai

arxiv:1812.09034 v1 · 2018-12-21 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FXHBSZI4LCDHWOCYK3I4WMWLC}

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	2026-05-17T23:57:45.590226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e16e70cb28e2c433d9c2c2b68e599658be7d0c3ca816eb1bd19195b944341a32

Aliases

arxiv: 1812.09034 · arxiv_version: 1812.09034v1 · doi: 10.48550/arxiv.1812.09034 · pith_short_12: 4FXHBSZI4LCD · pith_short_16: 4FXHBSZI4LCDHWOC · pith_short_8: 4FXHBSZI

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/4FXHBSZI4LCDHWOCYK3I4WMWLC \
  | 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: e16e70cb28e2c433d9c2c2b68e599658be7d0c3ca816eb1bd19195b944341a32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e83899d2d84fc7445ec6e19c066630da482ab8e8b6e90da278f2ebb2155981db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-12-21T10:22:25Z",
    "title_canon_sha256": "ac964e988ec97e7b1b60d385477e48c620b1755a5390f660c8162780bc541df3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09034",
    "kind": "arxiv",
    "version": 1
  }
}