Pith Number

pith:XTZ4AZQL

pith:2012:XTZ4AZQLYIKHLQI3DFRYYQAF6L

not attested not anchored not stored refs pending

Fast Erasure-and-Error Decoding and Systematic Encoding of a Class of Affine Variety Codes

Hajime Matsui

arxiv:1208.5429 v1 · 2012-08-27 · cs.IT · cs.DM · 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{XTZ4AZQLYIKHLQI3DFRYYQAF6L}

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	2026-05-18T03:46:59.486530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bcf3c0660bc21475c11b19638c4005f2ffcb39dfe4e4f2e63eba45de70e23637

Aliases

arxiv: 1208.5429 · arxiv_version: 1208.5429v1 · doi: 10.48550/arxiv.1208.5429 · pith_short_12: XTZ4AZQLYIKH · pith_short_16: XTZ4AZQLYIKHLQI3 · pith_short_8: XTZ4AZQL

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/XTZ4AZQLYIKHLQI3DFRYYQAF6L \
  | 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: bcf3c0660bc21475c11b19638c4005f2ffcb39dfe4e4f2e63eba45de70e23637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84f1d9ddb209d47bde1faf64ea93b5f140687ae85af43e2eb893b2aa87765615",
    "cross_cats_sorted": [
      "cs.DM",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-08-27T16:15:56Z",
    "title_canon_sha256": "0af9186c7140b8f5a055fa4da3737d3a27ff5d4824ec7b74bc9c1dcc068cfbf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.5429",
    "kind": "arxiv",
    "version": 1
  }
}