Pith Number

pith:EGIHQFIV

pith:2022:EGIHQFIVCLS4G74GWB3SRBJSDK

not attested not anchored not stored refs pending

Two families of negacyclic BCH codes

Cunsheng Ding, Xiaoqiang Wang, Zhonghua Sun

arxiv:2207.01877 v1 · 2022-07-05 · 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{EGIHQFIVCLS4G74GWB3SRBJSDK}

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	2026-07-05T04:37:45.355713Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

219078151512e5c37f86b0772885321a91e9a9ce0d905f897c0383dc833fba9f

Aliases

arxiv: 2207.01877 · arxiv_version: 2207.01877v1 · doi: 10.48550/arxiv.2207.01877 · pith_short_12: EGIHQFIVCLS4 · pith_short_16: EGIHQFIVCLS4G74G · pith_short_8: EGIHQFIV

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/EGIHQFIVCLS4G74GWB3SRBJSDK \
  | 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: 219078151512e5c37f86b0772885321a91e9a9ce0d905f897c0383dc833fba9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5485a8a270b873f49ff2acdd4eba0c6d3ebab2a93cd0a858c3e8b39b3f10ef8a",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2022-07-05T08:18:46Z",
    "title_canon_sha256": "a4b1506532760d1d81ca193a4321fa57017ed382a370c988a4a4608b6d5c4f4f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.01877",
    "kind": "arxiv",
    "version": 1
  }
}