Pith Number

pith:RROBA3B3

pith:2008:RROBA3B3BPMJX4HF2BJ5NYOQ7P

not attested not anchored not stored refs pending

New Constructions for Query-Efficient Locally Decodable Codes of Subexponential Length

Toshiya Itoh, Yasuhiro Suzuki

arxiv:0810.4576 v2 · 2008-10-25 · cs.CC · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RROBA3B3BPMJX4HF2BJ5NYOQ7P}

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	2026-05-18T04:12:10.772885Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5c106c3b0bd89bf0e5d053d6e1d0fbd3aaf89a18537ab8c315279f390d354a

Aliases

arxiv: 0810.4576 · arxiv_version: 0810.4576v2 · doi: 10.48550/arxiv.0810.4576 · pith_short_12: RROBA3B3BPMJ · pith_short_16: RROBA3B3BPMJX4HF · pith_short_8: RROBA3B3

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/RROBA3B3BPMJX4HF2BJ5NYOQ7P \
  | 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: 8c5c106c3b0bd89bf0e5d053d6e1d0fbd3aaf89a18537ab8c315279f390d354a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a9fc9fe6a7a97410efe9c7d6a0c6c4eee6a8d52027de64deba1572ed0aaca5",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2008-10-25T04:53:23Z",
    "title_canon_sha256": "3e6972ca4cb4e5486e0c32c3f58243ef5d8d502bc5ee62b9662c1b04b7b8ec4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0810.4576",
    "kind": "arxiv",
    "version": 2
  }
}