Pith Number

pith:RS4UJ6VB

pith:2025:RS4UJ6VBJZ5P4MG32EMONVSPYR

not attested not anchored not stored refs pending

List Decoding Expander-Based Codes up to Capacity in Near-Linear Time

Madhur Tulsiani, Shashank Srivastava

arxiv:2504.20333 v2 · 2025-04-29 · cs.DS · cs.CC · 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{RS4UJ6VBJZ5P4MG32EMONVSPYR}

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	2026-07-05T11:38:51.338724Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8cb944faa14e7afe30dbd118e6d64fc44d1ac841ab06b18e50c0991542f28cd5

Aliases

arxiv: 2504.20333 · arxiv_version: 2504.20333v2 · doi: 10.48550/arxiv.2504.20333 · pith_short_12: RS4UJ6VBJZ5P · pith_short_16: RS4UJ6VBJZ5P4MG3 · pith_short_8: RS4UJ6VB

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/RS4UJ6VBJZ5P4MG32EMONVSPYR \
  | 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: 8cb944faa14e7afe30dbd118e6d64fc44d1ac841ab06b18e50c0991542f28cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbfba5a306cf8cbd3e12269b12d65646ba080405d391f913839265aa9076ae67",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-04-29T00:53:34Z",
    "title_canon_sha256": "b5e60cb94e972d20621e0be5f85a3b7884bfa18ed9a13e633d6aac6a5a48d2ec"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20333",
    "kind": "arxiv",
    "version": 2
  }
}