Pith Number

pith:XUG2LTUK

pith:2017:XUG2LTUKESJOO2SRODIVGY3F2O

not attested not anchored not stored refs pending

Polynomial time decodable codes for the binary deletion channel

Ray Li, Venkatesan Guruswami

arxiv:1705.01963 v3 · 2017-05-04 · cs.IT · cs.DS · 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{XUG2LTUKESJOO2SRODIVGY3F2O}

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	2026-05-17T23:43:33.508349Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd0da5ce8a2492e76a5170d1536365d39929bcf89f802e43b3f838e2be08a7b3

Aliases

arxiv: 1705.01963 · arxiv_version: 1705.01963v3 · doi: 10.48550/arxiv.1705.01963 · pith_short_12: XUG2LTUKESJO · pith_short_16: XUG2LTUKESJOO2SR · pith_short_8: XUG2LTUK

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/XUG2LTUKESJOO2SRODIVGY3F2O \
  | 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: bd0da5ce8a2492e76a5170d1536365d39929bcf89f802e43b3f838e2be08a7b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d71eb3e671bb64ea87c8cd78e1c3d890f6e2cf5c906ca8ad2420f0bef3137931",
    "cross_cats_sorted": [
      "cs.DS",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2017-05-04T18:18:07Z",
    "title_canon_sha256": "e85727cf99a5a1aee2844a22efe48102d6f1898dcf4367b3bc49cb6876720e3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01963",
    "kind": "arxiv",
    "version": 3
  }
}