Pith Number

pith:A2IC4H5L

pith:2023:A2IC4H5LPLBOFUCY3ATD4HC3XA

not attested not anchored not stored refs pending

AG codes have no list-decoding friends: Approaching the generalized Singleton bound requires exponential alphabets

Omar Alrabiah, Ray Li, Venkatesan Guruswami

arxiv:2308.13424 v2 · 2023-08-25 · cs.IT · cs.DM · math.CO · 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{A2IC4H5LPLBOFUCY3ATD4HC3XA}

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	2026-07-05T07:50:20.171898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06902e1fab7ac2e2d058d8263e1c5bb80a0707272915352937b62516968f71ca

Aliases

arxiv: 2308.13424 · arxiv_version: 2308.13424v2 · doi: 10.48550/arxiv.2308.13424 · pith_short_12: A2IC4H5LPLBO · pith_short_16: A2IC4H5LPLBOFUCY · pith_short_8: A2IC4H5L

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/A2IC4H5LPLBOFUCY3ATD4HC3XA \
  | 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: 06902e1fab7ac2e2d058d8263e1c5bb80a0707272915352937b62516968f71ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6436b55b34427176875e588a22e97bffc6ceaec5d1bc7756c5eb1e65015dff",
    "cross_cats_sorted": [
      "cs.DM",
      "math.CO",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2023-08-25T15:09:28Z",
    "title_canon_sha256": "9c344b8abed3f859e867067d0502e8e0b36a0c7fedd6d03f8948e27db82a7094"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2308.13424",
    "kind": "arxiv",
    "version": 2
  }
}